Struct casper_types::U256

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#[repr(C)]
pub struct U256(pub [u64; 4]);

Expand description

Little-endian large integer type

Tuple Fields

0: [u64; 4]

Implementations

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impl U256

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pub const MAX: U256

Maximum value.

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pub fn from_str_radix(txt: &str, radix: u32) -> Result<Self, FromStrRadixErr>

Converts a string slice in a given base to an integer. Only supports radixes of 10 and 16.

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pub fn from_dec_str(value: &str) -> Result<Self, FromDecStrErr>

Convert from a decimal string.

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pub const fn low_u32(&self) -> u32

Conversion to u32

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pub const fn low_u64(&self) -> u64

Low word (u64)

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pub fn as_u32(&self) -> u32

Conversion to u32 with overflow checking

Panics

Panics if the number is larger than 2^32.

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pub fn as_u64(&self) -> u64

Conversion to u64 with overflow checking

Panics

Panics if the number is larger than u64::max_value().

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pub fn as_usize(&self) -> usize

Conversion to usize with overflow checking

Panics

Panics if the number is larger than usize::max_value().

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pub fn is_zero(&self) -> bool

Whether this is zero.

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pub fn bits(&self) -> usize

Return the least number of bits needed to represent the number

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pub const fn bit(&self, index: usize) -> bool

Return if specific bit is set.

Panics

Panics if index exceeds the bit width of the number.

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pub fn leading_zeros(&self) -> u32

Returns the number of leading zeros in the binary representation of self.

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pub fn trailing_zeros(&self) -> u32

Returns the number of trailing zeros in the binary representation of self.

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pub const fn byte(&self, index: usize) -> u8

Return specific byte.

Panics

Panics if index exceeds the byte width of the number.

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pub fn to_big_endian(&self, bytes: &mut [u8 ])

Write to the slice in big-endian format.

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pub fn to_little_endian(&self, bytes: &mut [u8 ])

Write to the slice in little-endian format.

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pub fn exp10(n: usize) -> Self

Create 10**n as this type.

Panics

Panics if the result overflows the type.

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pub const fn zero() -> Self

Zero (additive identity) of this type.

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pub fn one() -> Self

One (multiplicative identity) of this type.

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pub fn max_value() -> Self

The maximum value which can be inhabited by this type.

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pub fn div_mod(self, other: Self) -> (Self, Self)

Returns a pair (self / other, self % other).

Panics

Panics if other is zero.

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pub fn integer_sqrt(&self) -> Self

Compute the highest n such that n * n <= self.

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pub fn pow(self, expon: Self) -> Self

Fast exponentiation by squaring https://en.wikipedia.org/wiki/Exponentiation_by_squaring

Panics

Panics if the result overflows the type.

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pub fn overflowing_pow(self, expon: Self) -> (Self, bool )

Fast exponentiation by squaring. Returns result and overflow flag.

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pub fn checked_pow(self, expon: U256) -> Option<U256>

Checked exponentiation. Returns None if overflow occurred.

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pub fn overflowing_add(self, other: U256) -> (U256, bool )

Add with overflow.

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pub fn saturating_add(self, other: U256) -> U256

Addition which saturates at the maximum value (Self::max_value()).

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pub fn checked_add(self, other: U256) -> Option<U256>

Checked addition. Returns None if overflow occurred.

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pub fn overflowing_sub(self, other: U256) -> (U256, bool )

Subtraction which underflows and returns a flag if it does.

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pub fn saturating_sub(self, other: U256) -> U256

Subtraction which saturates at zero.

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pub fn checked_sub(self, other: U256) -> Option<U256>

Checked subtraction. Returns None if overflow occurred.

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pub fn overflowing_mul(self, other: U256) -> (U256, bool )

Multiply with overflow, returning a flag if it does.

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pub fn saturating_mul(self, other: U256) -> U256

Multiplication which saturates at the maximum value..

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pub fn checked_mul(self, other: U256) -> Option<U256>

Checked multiplication. Returns None if overflow occurred.

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pub fn checked_div(self, other: U256) -> Option<U256>

Checked division. Returns None if other == 0.

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pub fn checked_rem(self, other: U256) -> Option<U256>

Checked modulus. Returns None if other == 0.

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pub fn overflowing_neg(self) -> (U256, bool )

Negation with overflow.

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pub fn checked_neg(self) -> Option<U256>

Checked negation. Returns None unless self == 0.

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pub fn from_big_endian(slice: &[u8 ]) -> Self

Converts from big endian representation bytes in memory.

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pub fn from_little_endian(slice: &[u8 ]) -> Self

Converts from little endian representation bytes in memory.

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impl U256

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pub const fn low_u128(&self) -> u128

Low 2 words (u128)

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pub fn as_u128(&self) -> u128

Conversion to u128 with overflow checking

Panics

Panics if the number is larger than 2^128.

Trait Implementations

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impl<T> Add<T> for U256 where
T: Into<U256>,

type Output = U256

The resulting type after applying the + operator.

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fn add(self, other: T) -> U256

Performs the + operation. Read more

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impl<'a, T> Add<T> for &'a U256 where
T: Into<U256>,

type Output = U256

The resulting type after applying the + operator.

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fn add(self, other: T) -> U256

Performs the + operation. Read more

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impl AddAssign<U256> for U256

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fn add_assign(&mut self, other: U256)

Performs the += operation. Read more

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impl AsPrimitive<U128> for U256

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fn as_(self) -> U128

Convert a value to another, using the as operator.

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impl AsPrimitive<U256> for i32

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fn as_(self) -> U256

Convert a value to another, using the as operator.

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impl AsPrimitive<U256> for i64

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fn as_(self) -> U256

Convert a value to another, using the as operator.

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impl AsPrimitive<U256> for u8

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fn as_(self) -> U256

Convert a value to another, using the as operator.

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impl AsPrimitive<U256> for u32

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fn as_(self) -> U256

Convert a value to another, using the as operator.

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impl AsPrimitive<U256> for u64

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fn as_(self) -> U256

Convert a value to another, using the as operator.

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impl AsPrimitive<U256> for U128

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fn as_(self) -> U256

Convert a value to another, using the as operator.

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impl AsPrimitive<U256> for U256

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fn as_(self) -> U256

Convert a value to another, using the as operator.

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impl AsPrimitive<U256> for U512

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fn as_(self) -> U256

Convert a value to another, using the as operator.

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impl AsPrimitive<U512> for U256

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fn as_(self) -> U512

Convert a value to another, using the as operator.

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impl AsPrimitive<i32> for U256

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fn as_(self) -> i32

Convert a value to another, using the as operator.

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impl AsPrimitive<i64> for U256

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fn as_(self) -> i64

Convert a value to another, using the as operator.

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impl AsPrimitive<u32> for U256

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fn as_(self) -> u32

Convert a value to another, using the as operator.

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impl AsPrimitive<u64> for U256

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fn as_(self) -> u64

Convert a value to another, using the as operator.

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impl AsPrimitive<u8> for U256

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fn as_(self) -> u8

Convert a value to another, using the as operator.

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impl AsRef<[u64 ]> for U256

Get a reference to the underlying little-endian words.

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fn as_ref(&self) -> &[u64 ]

Converts this type into a shared reference of the (usually inferred) input type.

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impl BitAnd<U256> for U256

type Output = U256

The resulting type after applying the & operator.

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fn bitand(self, other: U256) -> U256

Performs the & operation. Read more

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impl BitOr<U256> for U256

type Output = U256

The resulting type after applying the | operator.

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fn bitor(self, other: U256) -> U256

Performs the | operation. Read more

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impl BitXor<U256> for U256

type Output = U256

The resulting type after applying the ^ operator.

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fn bitxor(self, other: U256) -> U256

Performs the ^ operation. Read more

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impl Bounded for U256

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fn min_value() -> Self

returns the smallest finite number this type can represent

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fn max_value() -> Self

returns the largest finite number this type can represent

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impl CLTyped for U256

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fn cl_type() -> CLType

The CLType of Self.

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impl CheckedMul for U256

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fn checked_mul(&self, v: &U256) -> Option<U256>

Multiplies two numbers, checking for underflow or overflow. If underflow or overflow happens, None is returned. Read more

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impl CheckedSub for U256

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fn checked_sub(&self, v: &U256) -> Option<U256>

Subtracts two numbers, checking for underflow. If underflow happens, None is returned. Read more

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impl Clone for U256

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fn clone(&self) -> U256

Returns a copy of the value. Read more

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fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source. Read more

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impl Debug for U256

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fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter. Read more

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impl Default for U256

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fn default() -> Self

Returns the “default value” for a type. Read more

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impl<'de> Deserialize<'de> for U256

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fn deserialize<D: Deserializer<'de>>(deserializer: D) -> Result<Self, D::Error>

Deserialize this value from the given Serde deserializer. Read more

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impl Display for U256

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fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter. Read more

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impl Distribution<U256> for Standard

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fn sample<R: Rng + ?Sized>(&self, rng: &mut R) -> U256

Generate a random value of T, using rng as the source of randomness.

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fn sample_iter<R>(self, rng: R) -> DistIter<Self, R, T> where
R: Rng,

Create an iterator that generates random values of T, using rng as the source of randomness. Read more

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fn map<F, S>(self, func: F) -> DistMap<Self, F, T, S> where
F: Fn(T) -> S,

Create a distribution of values of ‘S’ by mapping the output of Self through the closure F Read more

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impl<T> Div<T> for U256 where
T: Into<U256>,

type Output = U256

The resulting type after applying the / operator.

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fn div(self, other: T) -> U256

Performs the / operation. Read more

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impl<'a, T> Div<T> for &'a U256 where
T: Into<U256>,

type Output = U256

The resulting type after applying the / operator.

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fn div(self, other: T) -> U256

Performs the / operation. Read more

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impl<T> DivAssign<T> for U256 where
T: Into<U256>,

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fn div_assign(&mut self, other: T)

Performs the /= operation. Read more

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impl<'a> From<&'a [u8 ; 32]> for U256

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fn from(bytes: &[u8 ; 32]) -> Self

Converts to this type from the input type.

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impl<'a> From<&'a [u8 ]> for U256

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fn from(bytes: &[u8 ]) -> U256

Converts to this type from the input type.

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impl<'a> From<&'a U256> for U256

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fn from(x: &'a U256) -> U256

Converts to this type from the input type.

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impl From<&'static str> for U256

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fn from(s: &'static str) -> Self

Converts to this type from the input type.

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impl From<[u8 ; 32]> for U256

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fn from(bytes: [u8 ; 32]) -> Self

Converts to this type from the input type.

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impl From<U256> for [u8 ; 32]

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fn from(number: U256) -> Self

Converts to this type from the input type.

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impl From<i128> for U256

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fn from(value: i128) -> U256

Converts to this type from the input type.

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impl From<i16> for U256

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fn from(value: i16) -> U256

Converts to this type from the input type.

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impl From<i32> for U256

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fn from(value: i32) -> U256

Converts to this type from the input type.

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impl From<i64> for U256

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fn from(value: i64) -> U256

Converts to this type from the input type.

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impl From<i8> for U256

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fn from(value: i8) -> U256

Converts to this type from the input type.

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impl From<isize> for U256

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fn from(value: isize) -> U256

Converts to this type from the input type.

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impl From<u128> for U256

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fn from(value: u128) -> U256

Converts to this type from the input type.

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impl From<u16> for U256

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fn from(value: u16) -> U256

Converts to this type from the input type.

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impl From<u32> for U256

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fn from(value: u32) -> U256

Converts to this type from the input type.

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impl From<u64> for U256

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fn from(value: u64) -> U256

Converts to this type from the input type.

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impl From<u8> for U256

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fn from(value: u8) -> U256

Converts to this type from the input type.

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impl From<usize> for U256

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fn from(value: usize) -> U256

Converts to this type from the input type.

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impl FromBytes for U256

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fn from_bytes(bytes: &[u8 ]) -> Result<(Self, &[u8 ]), Error>

Deserializes the slice into Self.

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fn from_vec(bytes: Vec<u8>) -> Result<(Self, Vec<u8>), Error>

Deserializes the Vec<u8> into Self.

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impl FromStr for U256

type Err = FromHexError

The associated error which can be returned from parsing.

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fn from_str(value: &str) -> Result<U256, Self::Err>

Parses a string s to return a value of this type. Read more

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impl Hash for U256

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fn hash<H: Hasher>(&self, state: &mut H)

Feeds this value into the given Hasher. Read more

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fn hash_slice<H>(data: &[Self], state: &mut H) where
H: Hasher,

Feeds a slice of this type into the given Hasher. Read more

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impl Integer for U256

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fn div_floor(&self, other: &Self) -> Self

Unsigned integer division. Returns the same result as div (/).

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fn mod_floor(&self, other: &Self) -> Self

Unsigned integer modulo operation. Returns the same result as rem (%).

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fn gcd(&self, other: &Self) -> Self

Calculates the Greatest Common Divisor (GCD) of the number and other

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fn lcm(&self, other: &Self) -> Self

Calculates the Lowest Common Multiple (LCM) of the number and other.

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fn gcd_lcm(&self, other: &Self) -> (Self, Self)

Calculates the Greatest Common Divisor (GCD) and Lowest Common Multiple (LCM) of the number and other.

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fn divides(&self, other: &Self) -> bool

Deprecated, use is_multiple_of instead.

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fn is_multiple_of(&self, other: &Self) -> bool

Returns true if the number is a multiple of other.

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fn is_even(&self) -> bool

Returns true if the number is divisible by 2.

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fn is_odd(&self) -> bool

Returns true if the number is not divisible by 2.

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fn div_rem(&self, other: &Self) -> (Self, Self)

Simultaneous truncated integer division and modulus.

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fn div_ceil(&self, other: &Self) -> Self

Ceiled integer division. Read more

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fn extended_gcd(&self, other: &Self) -> ExtendedGcd<Self> where
Self: Clone,

Greatest common divisor and Bézout coefficients. Read more

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fn extended_gcd_lcm(&self, other: &Self) -> (ExtendedGcd<Self>, Self) where
Self: Clone + Signed,

Greatest common divisor, least common multiple, and Bézout coefficients.

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fn div_mod_floor(&self, other: &Self) -> (Self, Self)

Simultaneous floored integer division and modulus. Returns (quotient, remainder). Read more

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fn next_multiple_of(&self, other: &Self) -> Self where
Self: Clone,

Rounds up to nearest multiple of argument. Read more

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fn prev_multiple_of(&self, other: &Self) -> Self where
Self: Clone,

Rounds down to nearest multiple of argument. Read more

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impl LowerHex for U256

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fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.

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impl<'a> Mul<&'a U256> for U256

type Output = U256

The resulting type after applying the * operator.

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fn mul(self, other: &'a U256) -> U256

Performs the * operation. Read more

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impl<'a> Mul<&'a U256> for &'a U256

type Output = U256

The resulting type after applying the * operator.

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fn mul(self, other: &'a U256) -> U256

Performs the * operation. Read more

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impl<'a> Mul<&'a i16> for U256

type Output = U256

The resulting type after applying the * operator.

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fn mul(self, other: &'a i16) -> U256

Performs the * operation. Read more

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impl<'a> Mul<&'a i16> for &'a U256

type Output = U256

The resulting type after applying the * operator.

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fn mul(self, other: &'a i16) -> U256

Performs the * operation. Read more

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impl<'a> Mul<&'a i32> for U256

type Output = U256

The resulting type after applying the * operator.

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fn mul(self, other: &'a i32) -> U256

Performs the * operation. Read more

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impl<'a> Mul<&'a i32> for &'a U256

type Output = U256

The resulting type after applying the * operator.

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fn mul(self, other: &'a i32) -> U256

Performs the * operation. Read more

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impl<'a> Mul<&'a i64> for U256

type Output = U256

The resulting type after applying the * operator.

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fn mul(self, other: &'a i64) -> U256

Performs the * operation. Read more

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impl<'a> Mul<&'a i64> for &'a U256

type Output = U256

The resulting type after applying the * operator.

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fn mul(self, other: &'a i64) -> U256

Performs the * operation. Read more

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impl<'a> Mul<&'a i8> for U256

type Output = U256

The resulting type after applying the * operator.

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fn mul(self, other: &'a i8) -> U256

Performs the * operation. Read more

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impl<'a> Mul<&'a i8> for &'a U256

type Output = U256

The resulting type after applying the * operator.

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fn mul(self, other: &'a i8) -> U256

Performs the * operation. Read more

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impl<'a> Mul<&'a isize> for U256

type Output = U256

The resulting type after applying the * operator.

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fn mul(self, other: &'a isize) -> U256

Performs the * operation. Read more

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impl<'a> Mul<&'a isize> for &'a U256

type Output = U256

The resulting type after applying the * operator.

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fn mul(self, other: &'a isize) -> U256

Performs the * operation. Read more

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impl<'a> Mul<&'a u16> for U256

type Output = U256

The resulting type after applying the * operator.

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fn mul(self, other: &'a u16) -> U256

Performs the * operation. Read more

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impl<'a> Mul<&'a u16> for &'a U256

type Output = U256

The resulting type after applying the * operator.

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fn mul(self, other: &'a u16) -> U256

Performs the * operation. Read more

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impl<'a> Mul<&'a u32> for U256

type Output = U256

The resulting type after applying the * operator.

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fn mul(self, other: &'a u32) -> U256

Performs the * operation. Read more

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impl<'a> Mul<&'a u32> for &'a U256

type Output = U256

The resulting type after applying the * operator.

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fn mul(self, other: &'a u32) -> U256

Performs the * operation. Read more

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impl<'a> Mul<&'a u64> for U256

type Output = U256

The resulting type after applying the * operator.

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fn mul(self, other: &'a u64) -> U256

Performs the * operation. Read more

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impl<'a> Mul<&'a u64> for &'a U256

type Output = U256

The resulting type after applying the * operator.

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fn mul(self, other: &'a u64) -> U256

Performs the * operation. Read more

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impl<'a> Mul<&'a u8> for U256

type Output = U256

The resulting type after applying the * operator.

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fn mul(self, other: &'a u8) -> U256

Performs the * operation. Read more

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impl<'a> Mul<&'a u8> for &'a U256

type Output = U256

The resulting type after applying the * operator.

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fn mul(self, other: &'a u8) -> U256

Performs the * operation. Read more

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impl<'a> Mul<&'a usize> for U256

type Output = U256

The resulting type after applying the * operator.

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fn mul(self, other: &'a usize) -> U256

Performs the * operation. Read more

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impl<'a> Mul<&'a usize> for &'a U256

type Output = U256

The resulting type after applying the * operator.

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fn mul(self, other: &'a usize) -> U256

Performs the * operation. Read more

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impl Mul<U256> for U256

type Output = U256

The resulting type after applying the * operator.

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fn mul(self, other: U256) -> U256

Performs the * operation. Read more

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impl<'a> Mul<U256> for &'a U256

type Output = U256

The resulting type after applying the * operator.

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fn mul(self, other: U256) -> U256

Performs the * operation. Read more

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impl Mul<i16> for U256

type Output = U256

The resulting type after applying the * operator.

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fn mul(self, other: i16) -> U256

Performs the * operation. Read more

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impl<'a> Mul<i16> for &'a U256

type Output = U256

The resulting type after applying the * operator.

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fn mul(self, other: i16) -> U256

Performs the * operation. Read more

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impl Mul<i32> for U256

type Output = U256

The resulting type after applying the * operator.

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fn mul(self, other: i32) -> U256

Performs the * operation. Read more

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impl<'a> Mul<i32> for &'a U256

type Output = U256

The resulting type after applying the * operator.

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fn mul(self, other: i32) -> U256

Performs the * operation. Read more

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impl Mul<i64> for U256

type Output = U256

The resulting type after applying the * operator.

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fn mul(self, other: i64) -> U256

Performs the * operation. Read more

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impl<'a> Mul<i64> for &'a U256

type Output = U256

The resulting type after applying the * operator.

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fn mul(self, other: i64) -> U256

Performs the * operation. Read more

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impl Mul<i8> for U256

type Output = U256

The resulting type after applying the * operator.

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fn mul(self, other: i8) -> U256

Performs the * operation. Read more

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impl<'a> Mul<i8> for &'a U256

type Output = U256

The resulting type after applying the * operator.

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fn mul(self, other: i8) -> U256

Performs the * operation. Read more

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impl Mul<isize> for U256

type Output = U256

The resulting type after applying the * operator.

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fn mul(self, other: isize) -> U256

Performs the * operation. Read more

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impl<'a> Mul<isize> for &'a U256

type Output = U256

The resulting type after applying the * operator.

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fn mul(self, other: isize) -> U256

Performs the * operation. Read more

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impl Mul<u16> for U256

type Output = U256

The resulting type after applying the * operator.

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fn mul(self, other: u16) -> U256

Performs the * operation. Read more

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impl<'a> Mul<u16> for &'a U256

type Output = U256

The resulting type after applying the * operator.

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fn mul(self, other: u16) -> U256

Performs the * operation. Read more

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impl Mul<u32> for U256

type Output = U256

The resulting type after applying the * operator.

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fn mul(self, other: u32) -> U256

Performs the * operation. Read more

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impl<'a> Mul<u32> for &'a U256

type Output = U256

The resulting type after applying the * operator.

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fn mul(self, other: u32) -> U256

Performs the * operation. Read more

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impl Mul<u64> for U256

type Output = U256

The resulting type after applying the * operator.

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fn mul(self, other: u64) -> U256

Performs the * operation. Read more

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impl<'a> Mul<u64> for &'a U256

type Output = U256

The resulting type after applying the * operator.

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fn mul(self, other: u64) -> U256

Performs the * operation. Read more

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impl Mul<u8> for U256

type Output = U256

The resulting type after applying the * operator.

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fn mul(self, other: u8) -> U256

Performs the * operation. Read more

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impl<'a> Mul<u8> for &'a U256

type Output = U256

The resulting type after applying the * operator.

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fn mul(self, other: u8) -> U256

Performs the * operation. Read more

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impl Mul<usize> for U256

type Output = U256

The resulting type after applying the * operator.

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fn mul(self, other: usize) -> U256

Performs the * operation. Read more

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impl<'a> Mul<usize> for &'a U256

type Output = U256

The resulting type after applying the * operator.

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fn mul(self, other: usize) -> U256

Performs the * operation. Read more

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impl MulAssign<U256> for U256

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fn mul_assign(&mut self, other: U256)

Performs the *= operation. Read more

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impl MulAssign<i16> for U256

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fn mul_assign(&mut self, other: i16)

Performs the *= operation. Read more

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impl MulAssign<i32> for U256

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fn mul_assign(&mut self, other: i32)

Performs the *= operation. Read more

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impl MulAssign<i64> for U256

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fn mul_assign(&mut self, other: i64)

Performs the *= operation. Read more

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impl MulAssign<i8> for U256

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fn mul_assign(&mut self, other: i8)

Performs the *= operation. Read more

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impl MulAssign<isize> for U256

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fn mul_assign(&mut self, other: isize)

Performs the *= operation. Read more

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impl MulAssign<u16> for U256

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fn mul_assign(&mut self, other: u16)

Performs the *= operation. Read more

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impl MulAssign<u32> for U256

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fn mul_assign(&mut self, other: u32)

Performs the *= operation. Read more

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impl MulAssign<u64> for U256

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fn mul_assign(&mut self, other: u64)

Performs the *= operation. Read more

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impl MulAssign<u8> for U256

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fn mul_assign(&mut self, other: u8)

Performs the *= operation. Read more

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impl MulAssign<usize> for U256

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fn mul_assign(&mut self, other: usize)

Performs the *= operation. Read more

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impl Not for U256

type Output = U256

The resulting type after applying the ! operator.

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fn not(self) -> U256

Performs the unary ! operation. Read more

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impl Num for U256

type FromStrRadixErr = UIntParseError

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fn from_str_radix(str: &str, radix: u32) -> Result<Self, Self::FromStrRadixErr>

Convert from a string and radix (typically 2..=36). Read more

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impl One for U256

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fn one() -> Self

Returns the multiplicative identity element of Self, 1. Read more

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fn set_one(&mut self)

Sets self to the multiplicative identity element of Self, 1.

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fn is_one(&self) -> bool where
Self: PartialEq<Self>,

Returns true if self is equal to the multiplicative identity. Read more

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impl Ord for U256

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fn cmp(&self, other: &U256) -> Ordering

This method returns an Ordering between self and other. Read more

1.21.0 · source

fn max(self, other: Self) -> Self

Compares and returns the maximum of two values. Read more

1.21.0 · source

fn min(self, other: Self) -> Self

Compares and returns the minimum of two values. Read more

1.50.0 · source

fn clamp(self, min: Self, max: Self) -> Self

Restrict a value to a certain interval. Read more

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impl PartialEq<U256> for U256

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fn eq(&self, other: &U256) -> bool

This method tests for self and other values to be equal, and is used by ==. Read more

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fn ne(&self, other: &U256) -> bool

This method tests for !=.

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impl PartialOrd<U256> for U256

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fn partial_cmp(&self, other: &U256) -> Option<Ordering>

This method returns an ordering between self and other values if one exists. Read more

1.0.0 · source

fn lt(&self, other: &Rhs) -> bool

This method tests less than (for self and other) and is used by the < operator. Read more

1.0.0 · source

fn le(&self, other: &Rhs) -> bool

This method tests less than or equal to (for self and other) and is used by the <= operator. Read more

1.0.0 · source

fn gt(&self, other: &Rhs) -> bool

This method tests greater than (for self and other) and is used by the > operator. Read more

1.0.0 · source

fn ge(&self, other: &Rhs) -> bool

This method tests greater than or equal to (for self and other) and is used by the >= operator. Read more

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impl<T> Rem<T> for U256 where
T: Into<U256> + Copy,

type Output = U256

The resulting type after applying the % operator.

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fn rem(self, other: T) -> U256

Performs the % operation. Read more

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impl<'a, T> Rem<T> for &'a U256 where
T: Into<U256> + Copy,

type Output = U256

The resulting type after applying the % operator.

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fn rem(self, other: T) -> U256

Performs the % operation. Read more

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impl<T> RemAssign<T> for U256 where
T: Into<U256> + Copy,

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fn rem_assign(&mut self, other: T)

Performs the %= operation. Read more

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impl Serialize for U256

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fn serialize<S: Serializer>(&self, serializer: S) -> Result<S::Ok, S::Error>

Serialize this value into the given Serde serializer. Read more

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impl<T> Shl<T> for U256 where
T: Into<U256>,

type Output = U256

The resulting type after applying the << operator.

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fn shl(self, shift: T) -> U256

Performs the << operation. Read more

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impl<'a, T> Shl<T> for &'a U256 where
T: Into<U256>,

type Output = U256

The resulting type after applying the << operator.

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fn shl(self, shift: T) -> U256

Performs the << operation. Read more

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impl<T> ShlAssign<T> for U256 where
T: Into<U256>,

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fn shl_assign(&mut self, shift: T)

Performs the <<= operation. Read more

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impl<T> Shr<T> for U256 where
T: Into<U256>,

type Output = U256

The resulting type after applying the >> operator.

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fn shr(self, shift: T) -> U256

Performs the >> operation. Read more

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impl<'a, T> Shr<T> for &'a U256 where
T: Into<U256>,

type Output = U256

The resulting type after applying the >> operator.

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fn shr(self, shift: T) -> U256

Performs the >> operation. Read more

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impl<T> ShrAssign<T> for U256 where
T: Into<U256>,

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fn shr_assign(&mut self, shift: T)

Performs the >>= operation. Read more

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impl<T> Sub<T> for U256 where
T: Into<U256>,

type Output = U256

The resulting type after applying the - operator.

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fn sub(self, other: T) -> U256

Performs the - operation. Read more

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impl<'a, T> Sub<T> for &'a U256 where
T: Into<U256>,

type Output = U256

The resulting type after applying the - operator.

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fn sub(self, other: T) -> U256

Performs the - operation. Read more

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impl SubAssign<U256> for U256

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fn sub_assign(&mut self, other: U256)

Performs the -= operation. Read more

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impl Sum<U256> for U256

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fn sum<I: Iterator<Item = Self>>(iter: I) -> Self

Method which takes an iterator and generates Self from the elements by “summing up” the items. Read more

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impl ToBytes for U256

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fn to_bytes(&self) -> Result<Vec<u8>, Error>

Serializes &self to a Vec<u8>.

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fn serialized_length(&self) -> usize

Returns the length of the Vec<u8> which would be returned from a successful call to to_bytes() or into_bytes(). The data is not actually serialized, so this call is relatively cheap. Read more

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fn into_bytes(self) -> Result<Vec<u8>, Error> where
Self: Sized,

Consumes self and serializes to a Vec<u8>.

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impl TryFrom<U256> for u8

type Error = &'static str

The type returned in the event of a conversion error.

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fn try_from(u: U256) -> Result<u8, &'static str>

Performs the conversion.

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impl TryFrom<U256> for u16

type Error = &'static str

The type returned in the event of a conversion error.

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fn try_from(u: U256) -> Result<u16, &'static str>

Performs the conversion.

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impl TryFrom<U256> for u128

type Error = &'static str

The type returned in the event of a conversion error.

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fn try_from(u: U256) -> Result<u128, &'static str>

Performs the conversion.

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impl TryFrom<U256> for i128

type Error = &'static str

The type returned in the event of a conversion error.

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fn try_from(u: U256) -> Result<i128, &'static str>

Performs the conversion.

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impl TryFrom<U256> for u32

type Error = &'static str

The type returned in the event of a conversion error.

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fn try_from(u: U256) -> Result<u32, &'static str>

Performs the conversion.

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impl TryFrom<U256> for usize

type Error = &'static str

The type returned in the event of a conversion error.

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fn try_from(u: U256) -> Result<usize, &'static str>

Performs the conversion.

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impl TryFrom<U256> for u64

type Error = &'static str

The type returned in the event of a conversion error.

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fn try_from(u: U256) -> Result<u64, &'static str>

Performs the conversion.

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impl TryFrom<U256> for i8

type Error = &'static str

The type returned in the event of a conversion error.

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fn try_from(u: U256) -> Result<i8, &'static str>

Performs the conversion.

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impl TryFrom<U256> for i16

type Error = &'static str

The type returned in the event of a conversion error.

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fn try_from(u: U256) -> Result<i16, &'static str>

Performs the conversion.

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impl TryFrom<U256> for i32

type Error = &'static str

The type returned in the event of a conversion error.

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fn try_from(u: U256) -> Result<i32, &'static str>

Performs the conversion.

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impl TryFrom<U256> for isize

type Error = &'static str

The type returned in the event of a conversion error.

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fn try_from(u: U256) -> Result<isize, &'static str>

Performs the conversion.

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impl TryFrom<U256> for i64

type Error = &'static str

The type returned in the event of a conversion error.

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fn try_from(u: U256) -> Result<i64, &'static str>

Performs the conversion.

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impl UpperHex for U256

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fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.

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impl WrappingAdd for U256

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fn wrapping_add(&self, other: &U256) -> U256

Wrapping (modular) addition. Computes self + other, wrapping around at the boundary of the type. Read more

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impl WrappingSub for U256

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fn wrapping_sub(&self, other: &U256) -> U256

Wrapping (modular) subtraction. Computes self - other, wrapping around at the boundary of the type. Read more

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impl Zero for U256

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fn zero() -> Self

Returns the additive identity element of Self, 0. Read more

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fn is_zero(&self) -> bool

Returns true if self is equal to the additive identity.

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fn set_zero(&mut self)

Sets self to the additive identity element of Self, 0.

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impl Unsigned for U256

Auto Trait Implementations

impl RefUnwindSafe for U256

impl Send for U256

impl Sync for U256

impl Unpin for U256

impl UnwindSafe for U256

Blanket Implementations

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impl<T> Any for T where
T: 'static + ?Sized,

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fn type_id(&self) -> TypeId

Gets the TypeId of self. Read more

impl<A, T> AsBits<T> for A where
A: AsRef<[T]>,
T: BitStore + BitMemory,

fn as_bits<O>(&self) -> &BitSlice<O, T> where
O: BitOrder,

Views memory as a slice of immutable bits. Read more

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impl<T> Borrow<T> for T where
T: ?Sized,

const: unstable · source

fn borrow(&self) -> &T

Immutably borrows from an owned value. Read more

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impl<T> BorrowMut<T> for T where
T: ?Sized,

const: unstable · source

fn borrow_mut(&mut self) -> &mut T

Mutably borrows from an owned value. Read more

impl<T> Conv for T

fn conv<T>(self) -> T where
Self: Into<T>,

Converts self into a target type. Read more

impl<T> FmtForward for T

fn fmt_binary(self) -> FmtBinary<Self> where
Self: Binary,

Causes self to use its Binary implementation when Debug-formatted.

fn fmt_display(self) -> FmtDisplay<Self> where
Self: Display,

Causes self to use its Display implementation when Debug-formatted. Read more

fn fmt_lower_exp(self) -> FmtLowerExp<Self> where
Self: LowerExp,

Causes self to use its LowerExp implementation when Debug-formatted. Read more

fn fmt_lower_hex(self) -> FmtLowerHex<Self> where
Self: LowerHex,

Causes self to use its LowerHex implementation when Debug-formatted. Read more

fn fmt_octal(self) -> FmtOctal<Self> where
Self: Octal,

Causes self to use its Octal implementation when Debug-formatted.

fn fmt_pointer(self) -> FmtPointer<Self> where
Self: Pointer,

Causes self to use its Pointer implementation when Debug-formatted. Read more

fn fmt_upper_exp(self) -> FmtUpperExp<Self> where
Self: UpperExp,

Causes self to use its UpperExp implementation when Debug-formatted. Read more

fn fmt_upper_hex(self) -> FmtUpperHex<Self> where
Self: UpperHex,

Causes self to use its UpperHex implementation when Debug-formatted. Read more

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impl<T> From<T> for T

const: unstable · source

fn from(t: T) -> T

Returns the argument unchanged.

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impl<T, U> Into for T where
U: From<T>,

const: unstable · source

fn into(self) -> U

Calls U::from(self).

That is, this conversion is whatever the implementation of From<T> for U chooses to do.

impl<T> Pipe for T

fn pipe<R>(self, func: impl FnOnce(Self) -> R) -> R

Pipes a value into a function that cannot ordinarily be called in suffix position. Read more

impl<T> PipeAsRef for T

fn pipe_as_ref<'a, T, R>(&'a self, func: impl FnOnce(&'a T) -> R) -> R where
 Self: AsRef<T>,
 T: 'a,
 R: 'a,

Pipes a trait borrow into a function that cannot normally be called in suffix position. Read more

fn pipe_as_mut<'a, T, R>(&'a mut self, func: impl FnOnce(&'a mut T) -> R) -> R where
 Self: AsMut<T>,
 T: 'a,
 R: 'a,

Pipes a trait mutable borrow into a function that cannot normally be called in suffix position. Read more

impl<T> PipeBorrow for T

fn pipe_borrow<'a, T, R>(&'a self, func: impl FnOnce(&'a T) -> R) -> R where
 Self: Borrow<T>,
 T: 'a,
 R: 'a,

Pipes a trait borrow into a function that cannot normally be called in suffix position. Read more

fn pipe_borrow_mut<'a, T, R>(
 &'a mut self,
 func: impl FnOnce(&'a mut T) -> R
) -> R where
 Self: BorrowMut<T>,
 T: 'a,
 R: 'a,

Pipes a trait mutable borrow into a function that cannot normally be called in suffix position. Read more

impl<T> PipeDeref for T

fn pipe_deref<'a, R>(&'a self, func: impl FnOnce(&'a Self::Target) -> R) -> R where
Self: Deref,
R: 'a,

Pipes a dereference into a function that cannot normally be called in suffix position. Read more

fn pipe_deref_mut<'a, R>(
 &'a mut self,
 func: impl FnOnce(&'a mut Self::Target) -> R
) -> R where
 Self: DerefMut,
 R: 'a,

Pipes a mutable dereference into a function that cannot normally be called in suffix position. Read more

impl<T> PipeRef for T

fn pipe_ref<'a, R>(&'a self, func: impl FnOnce(&'a Self) -> R) -> R where
R: 'a,

Pipes a reference into a function that cannot ordinarily be called in suffix position. Read more

fn pipe_mut<'a, R>(&'a mut self, func: impl FnOnce(&'a mut Self) -> R) -> R where
R: 'a,

Pipes a mutable reference into a function that cannot ordinarily be called in suffix position. Read more

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impl<T> Same<T> for T

type Output = T

Should always be Self

impl<T> Tap for T

fn tap<F, R>(self, func: F) -> Self where
F: FnOnce(&Self) -> R,

Provides immutable access for inspection. Read more

fn tap_dbg<F, R>(self, func: F) -> Self where
F: FnOnce(&Self) -> R,

Calls tap in debug builds, and does nothing in release builds.

fn tap_mut<F, R>(self, func: F) -> Self where
F: FnOnce(&mut Self) -> R,

Provides mutable access for modification. Read more

fn tap_mut_dbg<F, R>(self, func: F) -> Self where
F: FnOnce(&mut Self) -> R,

Calls tap_mut in debug builds, and does nothing in release builds.

impl<T, U> TapAsRef for T where
U: ?Sized,

fn tap_ref<F, R>(self, func: F) -> Self where
Self: AsRef<T>,
F: FnOnce(&T) -> R,

Provides immutable access to the reference for inspection.

fn tap_ref_dbg<F, R>(self, func: F) -> Self where
Self: AsRef<T>,
F: FnOnce(&T) -> R,

Calls tap_ref in debug builds, and does nothing in release builds.

fn tap_ref_mut<F, R>(self, func: F) -> Self where
Self: AsMut<T>,
F: FnOnce(&mut T) -> R,

Provides mutable access to the reference for modification.

fn tap_ref_mut_dbg<F, R>(self, func: F) -> Self where
Self: AsMut<T>,
F: FnOnce(&mut T) -> R,

Calls tap_ref_mut in debug builds, and does nothing in release builds.

impl<T, U> TapBorrow for T where
U: ?Sized,

fn tap_borrow<F, R>(self, func: F) -> Self where
Self: Borrow<T>,
F: FnOnce(&T) -> R,

Provides immutable access to the borrow for inspection. Read more

fn tap_borrow_dbg<F, R>(self, func: F) -> Self where
Self: Borrow<T>,
F: FnOnce(&T) -> R,

Calls tap_borrow in debug builds, and does nothing in release builds.

fn tap_borrow_mut<F, R>(self, func: F) -> Self where
Self: BorrowMut<T>,
F: FnOnce(&mut T) -> R,

Provides mutable access to the borrow for modification.

fn tap_borrow_mut_dbg<F, R>(self, func: F) -> Self where
Self: BorrowMut<T>,
F: FnOnce(&mut T) -> R,

Calls tap_borrow_mut in debug builds, and does nothing in release builds. Read more

impl<T> TapDeref for T

fn tap_deref<F, R>(self, func: F) -> Self where
Self: Deref,
F: FnOnce(&Self::Target) -> R,

Immutably dereferences self for inspection.

fn tap_deref_dbg<F, R>(self, func: F) -> Self where
Self: Deref,
F: FnOnce(&Self::Target) -> R,

Calls tap_deref in debug builds, and does nothing in release builds.

fn tap_deref_mut<F, R>(self, func: F) -> Self where
Self: DerefMut,
F: FnOnce(&mut Self::Target) -> R,

Mutably dereferences self for modification.

fn tap_deref_mut_dbg<F, R>(self, func: F) -> Self where
Self: DerefMut,
F: FnOnce(&mut Self::Target) -> R,

Calls tap_deref_mut in debug builds, and does nothing in release builds. Read more

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impl<T> ToOwned for T where
T: Clone,

type Owned = T

The resulting type after obtaining ownership.

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fn to_owned(&self) -> T

Creates owned data from borrowed data, usually by cloning. Read more

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fn clone_into(&self, target: &mut T)

🔬 This is a nightly-only experimental API. (toowned_clone_into)

Uses borrowed data to replace owned data, usually by cloning. Read more

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impl<T> ToString for T where
T: Display + ?Sized,

source

default fn to_string(&self) -> String

Converts the given value to a String. Read more

impl<T> TryConv for T

fn try_conv<T>(self) -> Result<T, Self::Error> where
Self: TryInto<T>,

Attempts to convert self into a target type. Read more

source

impl<T, U> TryFrom for T where
U: Into<T>,

type Error = Infallible

The type returned in the event of a conversion error.

const: unstable · source

fn try_from(value: U) -> Result<T, <T as TryFrom>::Error>

Performs the conversion.

source

impl<T, U> TryInto for T where
U: TryFrom<T>,

type Error = >::Error

The type returned in the event of a conversion error.

const: unstable · source

fn try_into(self) -> Result<U, >::Error>

Performs the conversion.

impl<V, T> VZip<V> for T where
V: MultiLane<T>,

fn vzip(self) -> V

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impl<T> DeserializeOwned for T where
T: for<'de> Deserialize<'de>,

impl<T, Rhs, Output> GroupOps<Rhs, Output> for T where
T: Add<Rhs, Output = Output> + Sub<Rhs, Output = Output> + AddAssign<Rhs> + SubAssign<Rhs>,

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impl<T> NumAssign for T where
T: Num + NumAssignOps<T>,

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impl<T, Rhs> NumAssignOps<Rhs> for T where
T: AddAssign<Rhs> + SubAssign<Rhs> + MulAssign<Rhs> + DivAssign<Rhs> + RemAssign<Rhs>,

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impl<T, Rhs, Output> NumOps<Rhs, Output> for T where
T: Mul<Rhs, Output = Output> + Div<Rhs, Output = Output> + Rem<Rhs, Output = Output> + Add<Rhs, Output = Output> + Sub<Rhs, Output = Output>,

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impl<T> NumRef for T where
T: Num + for<'r> NumOps<&'r T, T>,

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Struct casper_types::U256

Tuple Fields

Implementations

impl U256

pub const MAX: U256

pub fn from_str_radix(txt: &str, radix: u32) -> Result<Self, FromStrRadixErr>

pub fn from_dec_str(value: &str) -> Result<Self, FromDecStrErr>

pub const fn low_u32(&self) -> u32

pub const fn low_u64(&self) -> u64

pub fn as_u32(&self) -> u32

pub fn as_u64(&self) -> u64

pub fn as_usize(&self) -> usize

pub fn is_zero(&self) -> bool

pub fn bits(&self) -> usize

pub const fn bit(&self, index: usize) -> bool

pub fn leading_zeros(&self) -> u32

pub fn trailing_zeros(&self) -> u32

pub const fn byte(&self, index: usize) -> u8

pub fn to_big_endian(&self, bytes: &mut [u8])

pub fn to_little_endian(&self, bytes: &mut [u8])

pub fn exp10(n: usize) -> Self

pub const fn zero() -> Self

pub fn one() -> Self

pub fn max_value() -> Self

pub fn div_mod(self, other: Self) -> (Self, Self)

pub fn integer_sqrt(&self) -> Self

pub fn pow(self, expon: Self) -> Self

pub fn overflowing_pow(self, expon: Self) -> (Self, bool)

pub fn checked_pow(self, expon: U256) -> Option<U256>

pub fn overflowing_add(self, other: U256) -> (U256, bool)

pub fn saturating_add(self, other: U256) -> U256

pub fn checked_add(self, other: U256) -> Option<U256>

pub fn overflowing_sub(self, other: U256) -> (U256, bool)

pub fn saturating_sub(self, other: U256) -> U256

pub fn checked_sub(self, other: U256) -> Option<U256>

pub fn overflowing_mul(self, other: U256) -> (U256, bool)

pub fn saturating_mul(self, other: U256) -> U256

pub fn checked_mul(self, other: U256) -> Option<U256>

pub fn checked_div(self, other: U256) -> Option<U256>

pub fn checked_rem(self, other: U256) -> Option<U256>

pub fn overflowing_neg(self) -> (U256, bool)

pub fn checked_neg(self) -> Option<U256>

pub fn from_big_endian(slice: &[u8]) -> Self

pub fn from_little_endian(slice: &[u8]) -> Self

impl U256

pub const fn low_u128(&self) -> u128

pub fn as_u128(&self) -> u128

Trait Implementations

impl<T> Add<T> for U256 where T: Into<U256>,

type Output = U256

fn add(self, other: T) -> U256

impl<'a, T> Add<T> for &'a U256 where T: Into<U256>,

type Output = U256

fn add(self, other: T) -> U256

impl AddAssign<U256> for U256

fn add_assign(&mut self, other: U256)

impl AsPrimitive<U128> for U256

fn as_(self) -> U128

impl AsPrimitive<U256> for i32

fn as_(self) -> U256

impl AsPrimitive<U256> for i64

fn as_(self) -> U256

impl AsPrimitive<U256> for u8

fn as_(self) -> U256

impl AsPrimitive<U256> for u32

fn as_(self) -> U256

impl AsPrimitive<U256> for u64

fn as_(self) -> U256

impl AsPrimitive<U256> for U128

fn as_(self) -> U256

impl AsPrimitive<U256> for U256

fn as_(self) -> U256

impl AsPrimitive<U256> for U512

fn as_(self) -> U256

impl AsPrimitive<U512> for U256

fn as_(self) -> U512

impl AsPrimitive<i32> for U256

fn as_(self) -> i32

impl AsPrimitive<i64> for U256

fn as_(self) -> i64

pub fn to_big_endian(&self, bytes: &mut [u8 ])

pub fn to_little_endian(&self, bytes: &mut [u8 ])

pub fn overflowing_pow(self, expon: Self) -> (Self, bool )

pub fn overflowing_add(self, other: U256) -> (U256, bool )

pub fn overflowing_sub(self, other: U256) -> (U256, bool )

pub fn overflowing_mul(self, other: U256) -> (U256, bool )

pub fn overflowing_neg(self) -> (U256, bool )

pub fn from_big_endian(slice: &[u8 ]) -> Self

pub fn from_little_endian(slice: &[u8 ]) -> Self

impl<T> Add<T> for U256 where
T: Into<U256>,

impl<'a, T> Add<T> for &'a U256 where
T: Into<U256>,

impl AsRef<[u64 ]> for U256

fn as_ref(&self) -> &[u64 ]

fn sample_iter<R>(self, rng: R) -> DistIter<Self, R, T> where
R: Rng,

fn map<F, S>(self, func: F) -> DistMap<Self, F, T, S> where
F: Fn(T) -> S,

impl<T> Div<T> for U256 where
T: Into<U256>,

impl<'a, T> Div<T> for &'a U256 where
T: Into<U256>,

impl<T> DivAssign<T> for U256 where
T: Into<U256>,

impl<'a> From<&'a [u8 ; 32]> for U256

fn from(bytes: &[u8 ; 32]) -> Self

impl<'a> From<&'a [u8 ]> for U256