[]Struct secretbox::U256

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

Little-endian large integer type

Methods

impl U256

pub const MAX: U256

Maximum value.

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

Convert from a decimal string.

pub fn low_u32(&self) -> u32

Conversion to u32

pub fn low_u64(&self) -> u64

Low word (u64)

pub fn as_u32(&self) -> u32

Conversion to u32 with overflow checking

Panics

Panics if the number is larger than 2^32.

pub fn as_u64(&self) -> u64

Conversion to u64 with overflow checking

Panics

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

pub fn as_usize(&self) -> usize

Conversion to usize with overflow checking

Panics

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

pub fn is_zero(&self) -> bool

Whether this is zero.

pub fn bits(&self) -> usize

Return the least number of bits needed to represent the number

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

Return if specific bit is set.

Panics

Panics if index exceeds the bit width of the number.

pub fn leading_zeros(&self) -> u32

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

pub fn trailing_zeros(&self) -> u32

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

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

Return specific byte.

Panics

Panics if index exceeds the byte width of the number.

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

Write to the slice in big-endian format.

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

Write to the slice in little-endian format.

pub fn exp10(n: usize) -> Self

Create 10**n as this type.

Panics

Panics if the result overflows the type.

pub fn zero() -> Self

Zero (additive identity) of this type.

pub fn one() -> Self

One (multiplicative identity) of this type.

pub fn max_value() -> Self

The maximum value which can be inhabited by this type.

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

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

Panics

Panics if other is zero.

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

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

Panics

Panics if the result overflows the type.

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

Fast exponentation by squaring. Returns result and overflow flag.

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

Add with overflow.

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

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

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

Checked addition. Returns None if overflow occurred.

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

Subtraction which underflows and returns a flag if it does.

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

Subtraction which saturates at zero.

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

Checked subtraction. Returns None if overflow occurred.

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

Multiply with overflow, returning a flag if it does.

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

Multiplication which saturates at the maximum value..

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

Checked multiplication. Returns None if overflow occurred.

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

Checked division. Returns None if other == 0.

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

Checked modulus. Returns None if other == 0.

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

Negation with overflow.

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

Checked negation. Returns None unless self == 0.

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

Converts from big endian representation bytes in memory.

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

Converts from little endian representation bytes in memory.

impl U256

pub fn low_u128(&self) -> u128

Low 2 words (u128)

pub fn as_u128(&self) -> u128

Conversion to u128 with overflow checking

Panics

Panics if the number is larger than 2^128.

Trait Implementations

impl PartialOrd<U256> for U256

#[must_use] fn lt(&self, other: &Rhs) -> bool1.0.0[src]

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

#[must_use] fn le(&self, other: &Rhs) -> bool1.0.0[src]

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

#[must_use] fn gt(&self, other: &Rhs) -> bool1.0.0[src]

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

#[must_use] fn ge(&self, other: &Rhs) -> bool1.0.0[src]

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

impl PartialEq<U256> for U256

impl Copy for U256

impl Ord for U256

fn max(self, other: Self) -> Self1.21.0[src]

Compares and returns the maximum of two values. Read more

fn min(self, other: Self) -> Self1.21.0[src]

Compares and returns the minimum of two values. Read more

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

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

Restrict a value to a certain interval. Read more

impl AsRef<U256> for U256

impl Eq for U256

impl Default for U256

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

impl From<U256> for [u8; 32]

impl From<[u8; 32]> for U256

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

impl From<u64> for U256

impl From<u8> for U256

impl From<u16> for U256

impl From<u32> for U256

impl From<usize> for U256

impl From<i64> for U256

impl From<i8> for U256

impl From<i16> for U256

impl From<i32> for U256

impl From<isize> for U256

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

impl From<&'static str> for U256

impl From<u128> for U256

impl From<i128> for U256

impl Clone for U256

fn clone_from(&mut self, source: &Self)1.0.0[src]

Performs copy-assignment from source. Read more

impl Hash for U256

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

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

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

type Output = U256

The resulting type after applying the + operator.

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

type Output = U256

The resulting type after applying the + operator.

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

type Output = U256

The resulting type after applying the - operator.

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

type Output = U256

The resulting type after applying the - operator.

impl Mul<U256> for U256

type Output = U256

The resulting type after applying the * operator.

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

type Output = U256

The resulting type after applying the * operator.

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

type Output = U256

The resulting type after applying the * operator.

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

type Output = U256

The resulting type after applying the * operator.

impl Mul<u8> for U256

type Output = U256

The resulting type after applying the * operator.

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

type Output = U256

The resulting type after applying the * operator.

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

type Output = U256

The resulting type after applying the * operator.

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

type Output = U256

The resulting type after applying the * operator.

impl Mul<u16> for U256

type Output = U256

The resulting type after applying the * operator.

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

type Output = U256

The resulting type after applying the * operator.

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

type Output = U256

The resulting type after applying the * operator.

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

type Output = U256

The resulting type after applying the * operator.

impl Mul<u32> for U256

type Output = U256

The resulting type after applying the * operator.

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

type Output = U256

The resulting type after applying the * operator.

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

type Output = U256

The resulting type after applying the * operator.

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

type Output = U256

The resulting type after applying the * operator.

impl Mul<u64> for U256

type Output = U256

The resulting type after applying the * operator.

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

type Output = U256

The resulting type after applying the * operator.

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

type Output = U256

The resulting type after applying the * operator.

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

type Output = U256

The resulting type after applying the * operator.

impl Mul<usize> for U256

type Output = U256

The resulting type after applying the * operator.

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

type Output = U256

The resulting type after applying the * operator.

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

type Output = U256

The resulting type after applying the * operator.

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

type Output = U256

The resulting type after applying the * operator.

impl Mul<i8> for U256

type Output = U256

The resulting type after applying the * operator.

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

type Output = U256

The resulting type after applying the * operator.

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

type Output = U256

The resulting type after applying the * operator.

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

type Output = U256

The resulting type after applying the * operator.

impl Mul<i16> for U256

type Output = U256

The resulting type after applying the * operator.

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

type Output = U256

The resulting type after applying the * operator.

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

type Output = U256

The resulting type after applying the * operator.

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

type Output = U256

The resulting type after applying the * operator.

impl Mul<i32> for U256

type Output = U256

The resulting type after applying the * operator.

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

type Output = U256

The resulting type after applying the * operator.

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

type Output = U256

The resulting type after applying the * operator.

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

type Output = U256

The resulting type after applying the * operator.

impl Mul<i64> for U256

type Output = U256

The resulting type after applying the * operator.

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

type Output = U256

The resulting type after applying the * operator.

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

type Output = U256

The resulting type after applying the * operator.

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

type Output = U256

The resulting type after applying the * operator.

impl Mul<isize> for U256

type Output = U256

The resulting type after applying the * operator.

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

type Output = U256

The resulting type after applying the * operator.

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

type Output = U256

The resulting type after applying the * operator.

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

type Output = U256

The resulting type after applying the * operator.

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

type Output = U256

The resulting type after applying the / operator.

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

type Output = U256

The resulting type after applying the / operator.

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

type Output = U256

The resulting type after applying the % operator.

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

type Output = U256

The resulting type after applying the % operator.

impl AddAssign<U256> for U256

impl SubAssign<U256> for U256

impl MulAssign<U256> for U256

impl MulAssign<u8> for U256

impl MulAssign<u16> for U256

impl MulAssign<u32> for U256

impl MulAssign<u64> for U256

impl MulAssign<usize> for U256

impl MulAssign<i8> for U256

impl MulAssign<i16> for U256

impl MulAssign<i32> for U256

impl MulAssign<i64> for U256

impl MulAssign<isize> for U256

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

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

impl Not for U256

type Output = U256

The resulting type after applying the ! operator.

impl BitAnd<U256> for U256

type Output = U256

The resulting type after applying the & operator.

impl BitOr<U256> for U256

type Output = U256

The resulting type after applying the | operator.

impl BitXor<U256> for U256

type Output = U256

The resulting type after applying the ^ operator.

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

type Output = U256

The resulting type after applying the << operator.

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

type Output = U256

The resulting type after applying the << operator.

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

type Output = U256

The resulting type after applying the >> operator.

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

type Output = U256

The resulting type after applying the >> operator.

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

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

impl Debug for U256

impl Display for U256

impl TryFrom<U256> for u8

type Error = &'static str

The type returned in the event of a conversion error.

impl TryFrom<U256> for u16

type Error = &'static str

The type returned in the event of a conversion error.

impl TryFrom<U256> for u32

type Error = &'static str

The type returned in the event of a conversion error.

impl TryFrom<U256> for usize

type Error = &'static str

The type returned in the event of a conversion error.

impl TryFrom<U256> for u64

type Error = &'static str

The type returned in the event of a conversion error.

impl TryFrom<U256> for i8

type Error = &'static str

The type returned in the event of a conversion error.

impl TryFrom<U256> for i16

type Error = &'static str

The type returned in the event of a conversion error.

impl TryFrom<U256> for i32

type Error = &'static str

The type returned in the event of a conversion error.

impl TryFrom<U256> for isize

type Error = &'static str

The type returned in the event of a conversion error.

impl TryFrom<U256> for i64

type Error = &'static str

The type returned in the event of a conversion error.

impl TryFrom<U256> for u128

type Error = &'static str

The type returned in the event of a conversion error.

impl TryFrom<U256> for i128

type Error = &'static str

The type returned in the event of a conversion error.

impl FromStr for U256

type Err = FromHexError

The associated error which can be returned from parsing.

impl LowerHex for U256

Auto Trait Implementations

impl Send for U256

impl Unpin for U256

impl Sync for U256

impl UnwindSafe for U256

impl RefUnwindSafe for U256

Blanket Implementations

impl<T> ToString for T where
    T: Display + ?Sized
[src]

impl<T> ToOwned for T where
    T: Clone
[src]

type Owned = T

The resulting type after obtaining ownership.

impl<T> From<T> for T[src]

impl<T, U> Into<U> for T where
    U: From<T>, 
[src]

impl<T, U> TryFrom<U> for T where
    U: Into<T>, 
[src]

type Error = Infallible

The type returned in the event of a conversion error.

impl<T, U> TryInto<U> for T where
    U: TryFrom<T>, 
[src]

type Error = <U as TryFrom<T>>::Error

The type returned in the event of a conversion error.

impl<T> BorrowMut<T> for T where
    T: ?Sized
[src]

impl<T> Borrow<T> for T where
    T: ?Sized
[src]

impl<T> Any for T where
    T: 'static + ?Sized
[src]

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