Struct chaindexing::U64

#[repr(C)]
pub struct U64(pub [u64; 1]);

Little-endian large integer type Unsigned 64-bit integer.

Tuple Fields

0: [u64; 1]

Implementations

impl U64

pub const MAX: U64 = _

Maximum value.

pub fn from_str_radix(txt: &str, radix: u32) -> Result<U64, FromStrRadixErr>

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

pub fn from_dec_str(value: &str) -> Result<U64, FromDecStrErr>

Convert from a decimal string.

pub const fn low_u32(&self) -> u32

Conversion to u32

pub const 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 const 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 const 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 trailing zeros in the binary representation of self.

pub const 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) -> U64

Create 10**n as this type.

Panics

Panics if the result overflows the type.

pub const fn zero() -> U64

Zero (additive identity) of this type.

pub const fn one() -> U64

One (multiplicative identity) of this type.

pub const fn max_value() -> U64

The maximum value which can be inhabited by this type.

pub fn div_mod(self, other: U64) -> (U64, U64)

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

Panics

Panics if other is zero.

pub fn integer_sqrt(&self) -> U64

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

pub fn pow(self, expon: U64) -> U64

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

Panics

Panics if the result overflows the type.

pub fn overflowing_pow(self, expon: U64) -> (U64, bool)

Fast exponentiation by squaring. Returns result and overflow flag.

pub fn checked_pow(self, expon: U64) -> Option<U64>

Checked exponentiation. Returns None if overflow occurred.

pub fn overflowing_add(self, other: U64) -> (U64, bool)

Addition which overflows and returns a flag if it does.

pub fn saturating_add(self, other: U64) -> U64

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

pub fn checked_add(self, other: U64) -> Option<U64>

Checked addition. Returns None if overflow occurred.

pub fn overflowing_sub(self, other: U64) -> (U64, bool)

Subtraction which underflows and returns a flag if it does.

pub fn saturating_sub(self, other: U64) -> U64

Subtraction which saturates at zero.

pub fn checked_sub(self, other: U64) -> Option<U64>

Checked subtraction. Returns None if overflow occurred.

pub fn abs_diff(self, other: U64) -> U64

Computes the absolute difference between self and other.

pub fn overflowing_mul(self, other: U64) -> (U64, bool)

Multiply with overflow, returning a flag if it does.

pub fn saturating_mul(self, other: U64) -> U64

Multiplication which saturates at the maximum value..

pub fn checked_mul(self, other: U64) -> Option<U64>

Checked multiplication. Returns None if overflow occurred.

pub fn checked_div(self, other: U64) -> Option<U64>

Checked division. Returns None if other == 0.

pub fn checked_rem(self, other: U64) -> Option<U64>

Checked modulus. Returns None if other == 0.

pub fn overflowing_neg(self) -> (U64, bool)

Negation with overflow.

pub fn checked_neg(self) -> Option<U64>

Checked negation. Returns None unless self == 0.

pub fn from_big_endian(slice: &[u8]) -> U64

Converts from big endian representation bytes in memory.

pub fn from_little_endian(slice: &[u8]) -> U64

Converts from little endian representation bytes in memory.

Trait Implementations

impl AbiType for U64

fn param_type() -> ParamType

The native ABI type this type represents.

fn minimum_size() -> usize

A hint of the minimum number of bytes this type takes up in the ABI.

impl<'a, T> Add<T> for &'a U64where T: Into<U64>,

type Output = U64

The resulting type after applying the + operator.

fn add(self, other: T) -> U64

Performs the + operation.

impl<T> Add<T> for U64where T: Into<U64>,

type Output = U64

The resulting type after applying the + operator.

fn add(self, other: T) -> U64

Performs the + operation.

impl AddAssign for U64

fn add_assign(&mut self, other: U64)

Performs the += operation.

impl AsRef<[u64]> for U64

Get a reference to the underlying little-endian words.

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

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

impl BitAnd for U64

type Output = U64

The resulting type after applying the & operator.

fn bitand(self, other: U64) -> U64

Performs the & operation.

impl BitAndAssign for U64

fn bitand_assign(&mut self, rhs: U64)

Performs the &= operation.

impl BitOr for U64

type Output = U64

The resulting type after applying the | operator.

fn bitor(self, other: U64) -> U64

Performs the | operation.

impl BitOrAssign for U64

fn bitor_assign(&mut self, rhs: U64)

Performs the |= operation.

impl BitXor for U64

type Output = U64

The resulting type after applying the ^ operator.

fn bitxor(self, other: U64) -> U64

Performs the ^ operation.

impl BitXorAssign for U64

fn bitxor_assign(&mut self, rhs: U64)

Performs the ^= operation.

impl Clone for U64

fn clone(&self) -> U64

Returns a copy of the value.

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

Performs copy-assignment from source.

impl Debug for U64

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

Formats the value using the given formatter.

impl Decodable for U64

fn decode(rlp: &Rlp<'_>) -> Result<U64, DecoderError>

Decode a value from RLP bytes

impl Decodable for U64

fn decode(buf: &mut &[u8]) -> Result<U64, DecodeError>

impl Decode for U64

fn decode<I>(input: &mut I) -> Result<U64, Error>where I: Input,

Attempt to deserialise the value from input.

fn decode_into<I>( input: &mut I, dst: &mut MaybeUninit<Self> ) -> Result<DecodeFinished, Error>where I: Input,

Attempt to deserialize the value from input into a pre-allocated piece of memory.

fn skip<I>(input: &mut I) -> Result<(), Error>where I: Input,

Attempt to skip the encoded value from input.

fn encoded_fixed_size() -> Option<usize>

Returns the fixed encoded size of the type.

impl Default for U64

fn default() -> U64

Returns the “default value” for a type.

impl<'de> Deserialize<'de> for U64

fn deserialize<D>( deserializer: D ) -> Result<U64, <D as Deserializer<'de>>::Error>where D: Deserializer<'de>,

Deserialize this value from the given Serde deserializer.

impl Display for U64

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

Formats the value using the given formatter.

impl<'a, T> Div<T> for &'a U64where T: Into<U64>,

type Output = U64

The resulting type after applying the / operator.

fn div(self, other: T) -> U64

Performs the / operation.

impl<T> Div<T> for U64where T: Into<U64>,

type Output = U64

The resulting type after applying the / operator.

fn div(self, other: T) -> U64

Performs the / operation.

impl<T> DivAssign<T> for U64where T: Into<U64>,

fn div_assign(&mut self, other: T)

Performs the /= operation.

impl Encodable for U64

fn rlp_append(&self, s: &mut RlpStream)

Append a value to the stream

fn rlp_bytes(&self) -> BytesMut

Get rlp-encoded bytes for this instance

impl Encodable for U64

fn length(&self) -> usize

fn encode(&self, out: &mut dyn BufMut)

impl Encode for U64

fn using_encoded<R, F>(&self, f: F) -> Rwhere F: FnOnce(&[u8]) -> R,

Convert self to a slice and then invoke the given closure with it.

fn size_hint(&self) -> usize

If possible give a hint of expected size of the encoding.

fn encode_to<T>(&self, dest: &mut T)where T: Output + ?Sized,

Convert self to a slice and append it to the destination.

fn encode(&self) -> Vec<u8>

Convert self to an owned vector.

fn encoded_size(&self) -> usize

Calculates the encoded size.

impl<'a> From<&'a [u8]> for U64

fn from(bytes: &[u8]) -> U64

Converts to this type from the input type.

impl<'a> From<&'a [u8; 8]> for U64

fn from(bytes: &[u8; 8]) -> U64

Converts to this type from the input type.

impl<'a> From<&'a U64> for U64

fn from(x: &'a U64) -> U64

Converts to this type from the input type.

impl From<&'static str> for U64

fn from(s: &'static str) -> U64

Converts to this type from the input type.

impl From<[u8; 8]> for U64

fn from(bytes: [u8; 8]) -> U64

Converts to this type from the input type.

impl From<Chain> for U64

fn from(chain: Chain) -> U64

Converts to this type from the input type.

impl From<i16> for U64

fn from(value: i16) -> U64

Converts to this type from the input type.

impl From<i32> for U64

fn from(value: i32) -> U64

Converts to this type from the input type.

impl From<i64> for U64

fn from(value: i64) -> U64

Converts to this type from the input type.

impl From<i8> for U64

fn from(value: i8) -> U64

Converts to this type from the input type.

impl From<isize> for U64

fn from(value: isize) -> U64

Converts to this type from the input type.

impl From<u16> for U64

fn from(value: u16) -> U64

Converts to this type from the input type.

impl From<u32> for U64

fn from(value: u32) -> U64

Converts to this type from the input type.

impl From<u64> for U64

fn from(value: u64) -> U64

Converts to this type from the input type.

impl From<u8> for U64

fn from(value: u8) -> U64

Converts to this type from the input type.

impl From<usize> for U64

fn from(value: usize) -> U64

Converts to this type from the input type.

impl FromStr for U64

type Err = FromHexError

The associated error which can be returned from parsing.

fn from_str(value: &str) -> Result<U64, <U64 as FromStr>::Err>

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

impl Hash for U64

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

Feeds this value into the given Hasher.

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

Feeds a slice of this type into the given Hasher.

impl LowerHex for U64

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

Formats the value using the given formatter.

impl MaxEncodedLen for U64

fn max_encoded_len() -> usize

Upper bound, in bytes, of the maximum encoded size of this item.

impl<'a> Mul<&'a U64> for U64

type Output = U64

The resulting type after applying the * operator.

fn mul(self, other: &'a U64) -> U64

Performs the * operation.

impl<'a> Mul<&'a i16> for &'a U64

type Output = U64

The resulting type after applying the * operator.

fn mul(self, other: &'a i16) -> U64

Performs the * operation.

impl<'a> Mul<&'a i16> for U64

type Output = U64

The resulting type after applying the * operator.

fn mul(self, other: &'a i16) -> U64

Performs the * operation.

impl<'a> Mul<&'a i32> for &'a U64

type Output = U64

The resulting type after applying the * operator.

fn mul(self, other: &'a i32) -> U64

Performs the * operation.

impl<'a> Mul<&'a i32> for U64

type Output = U64

The resulting type after applying the * operator.

fn mul(self, other: &'a i32) -> U64

Performs the * operation.

impl<'a> Mul<&'a i64> for &'a U64

type Output = U64

The resulting type after applying the * operator.

fn mul(self, other: &'a i64) -> U64

Performs the * operation.

impl<'a> Mul<&'a i64> for U64

type Output = U64

The resulting type after applying the * operator.

fn mul(self, other: &'a i64) -> U64

Performs the * operation.

impl<'a> Mul<&'a i8> for &'a U64

type Output = U64

The resulting type after applying the * operator.

fn mul(self, other: &'a i8) -> U64

Performs the * operation.

impl<'a> Mul<&'a i8> for U64

type Output = U64

The resulting type after applying the * operator.

fn mul(self, other: &'a i8) -> U64

Performs the * operation.

impl<'a> Mul<&'a isize> for &'a U64

type Output = U64

The resulting type after applying the * operator.

fn mul(self, other: &'a isize) -> U64

Performs the * operation.

impl<'a> Mul<&'a isize> for U64

type Output = U64

The resulting type after applying the * operator.

fn mul(self, other: &'a isize) -> U64

Performs the * operation.

impl<'a> Mul<&'a u16> for &'a U64

type Output = U64

The resulting type after applying the * operator.

fn mul(self, other: &'a u16) -> U64

Performs the * operation.

impl<'a> Mul<&'a u16> for U64

type Output = U64

The resulting type after applying the * operator.

fn mul(self, other: &'a u16) -> U64

Performs the * operation.

impl<'a> Mul<&'a u32> for &'a U64

type Output = U64

The resulting type after applying the * operator.

fn mul(self, other: &'a u32) -> U64

Performs the * operation.

impl<'a> Mul<&'a u32> for U64

type Output = U64

The resulting type after applying the * operator.

fn mul(self, other: &'a u32) -> U64

Performs the * operation.

impl<'a> Mul<&'a u64> for &'a U64

type Output = U64

The resulting type after applying the * operator.

fn mul(self, other: &'a u64) -> U64

Performs the * operation.

impl<'a> Mul<&'a u64> for U64

type Output = U64

The resulting type after applying the * operator.

fn mul(self, other: &'a u64) -> U64

Performs the * operation.

impl<'a> Mul<&'a u8> for &'a U64

type Output = U64

The resulting type after applying the * operator.

fn mul(self, other: &'a u8) -> U64

Performs the * operation.

impl<'a> Mul<&'a u8> for U64

type Output = U64

The resulting type after applying the * operator.

fn mul(self, other: &'a u8) -> U64

Performs the * operation.

impl<'a> Mul<&'a usize> for &'a U64

type Output = U64

The resulting type after applying the * operator.

fn mul(self, other: &'a usize) -> U64

Performs the * operation.

impl<'a> Mul<&'a usize> for U64

type Output = U64

The resulting type after applying the * operator.

fn mul(self, other: &'a usize) -> U64

Performs the * operation.

impl<'a> Mul<U64> for &'a U64

type Output = U64

The resulting type after applying the * operator.

fn mul(self, other: U64) -> U64

Performs the * operation.

impl<'a> Mul<i16> for &'a U64

type Output = U64

The resulting type after applying the * operator.

fn mul(self, other: i16) -> U64

Performs the * operation.

impl Mul<i16> for U64

type Output = U64

The resulting type after applying the * operator.

fn mul(self, other: i16) -> U64

Performs the * operation.

impl<'a> Mul<i32> for &'a U64

type Output = U64

The resulting type after applying the * operator.

fn mul(self, other: i32) -> U64

Performs the * operation.

impl Mul<i32> for U64

type Output = U64

The resulting type after applying the * operator.

fn mul(self, other: i32) -> U64

Performs the * operation.

impl<'a> Mul<i64> for &'a U64

type Output = U64

The resulting type after applying the * operator.

fn mul(self, other: i64) -> U64

Performs the * operation.

impl Mul<i64> for U64

type Output = U64

The resulting type after applying the * operator.

fn mul(self, other: i64) -> U64

Performs the * operation.

impl<'a> Mul<i8> for &'a U64

type Output = U64

The resulting type after applying the * operator.

fn mul(self, other: i8) -> U64

Performs the * operation.

impl Mul<i8> for U64

type Output = U64

The resulting type after applying the * operator.

fn mul(self, other: i8) -> U64

Performs the * operation.

impl<'a> Mul<isize> for &'a U64

type Output = U64

The resulting type after applying the * operator.

fn mul(self, other: isize) -> U64

Performs the * operation.

impl Mul<isize> for U64

type Output = U64

The resulting type after applying the * operator.

fn mul(self, other: isize) -> U64

Performs the * operation.

impl<'a> Mul<u16> for &'a U64

type Output = U64

The resulting type after applying the * operator.

fn mul(self, other: u16) -> U64

Performs the * operation.

impl Mul<u16> for U64

type Output = U64

The resulting type after applying the * operator.

fn mul(self, other: u16) -> U64

Performs the * operation.

impl<'a> Mul<u32> for &'a U64

type Output = U64

The resulting type after applying the * operator.

fn mul(self, other: u32) -> U64

Performs the * operation.

impl Mul<u32> for U64

type Output = U64

The resulting type after applying the * operator.

fn mul(self, other: u32) -> U64

Performs the * operation.

impl<'a> Mul<u64> for &'a U64

type Output = U64

The resulting type after applying the * operator.

fn mul(self, other: u64) -> U64

Performs the * operation.

impl Mul<u64> for U64

type Output = U64

The resulting type after applying the * operator.

fn mul(self, other: u64) -> U64

Performs the * operation.

impl<'a> Mul<u8> for &'a U64

type Output = U64

The resulting type after applying the * operator.

fn mul(self, other: u8) -> U64

Performs the * operation.

impl Mul<u8> for U64

type Output = U64

The resulting type after applying the * operator.

fn mul(self, other: u8) -> U64

Performs the * operation.

impl<'a> Mul<usize> for &'a U64

type Output = U64

The resulting type after applying the * operator.

fn mul(self, other: usize) -> U64

Performs the * operation.

impl Mul<usize> for U64

type Output = U64

The resulting type after applying the * operator.

fn mul(self, other: usize) -> U64

Performs the * operation.

impl<'a> Mul for &'a U64

type Output = U64

The resulting type after applying the * operator.

fn mul(self, other: &'a U64) -> U64

Performs the * operation.

impl Mul for U64

type Output = U64

The resulting type after applying the * operator.

fn mul(self, other: U64) -> U64

Performs the * operation.

impl MulAssign<i16> for U64

fn mul_assign(&mut self, other: i16)

Performs the *= operation.

impl MulAssign<i32> for U64

fn mul_assign(&mut self, other: i32)

Performs the *= operation.

impl MulAssign<i64> for U64

fn mul_assign(&mut self, other: i64)

Performs the *= operation.

impl MulAssign<i8> for U64

fn mul_assign(&mut self, other: i8)

Performs the *= operation.

impl MulAssign<isize> for U64

fn mul_assign(&mut self, other: isize)

Performs the *= operation.

impl MulAssign<u16> for U64

fn mul_assign(&mut self, other: u16)

Performs the *= operation.

impl MulAssign<u32> for U64

fn mul_assign(&mut self, other: u32)

Performs the *= operation.

impl MulAssign<u64> for U64

fn mul_assign(&mut self, other: u64)

Performs the *= operation.

impl MulAssign<u8> for U64

fn mul_assign(&mut self, other: u8)

Performs the *= operation.

impl MulAssign<usize> for U64

fn mul_assign(&mut self, other: usize)

Performs the *= operation.

impl MulAssign for U64

fn mul_assign(&mut self, other: U64)

Performs the *= operation.

impl Not for U64

type Output = U64

The resulting type after applying the ! operator.

fn not(self) -> U64

Performs the unary ! operation.

impl Ord for U64

fn cmp(&self, other: &U64) -> Ordering

This method returns an Ordering between self and other.

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

Compares and returns the maximum of two values.

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

Compares and returns the minimum of two values.

fn clamp(self, min: Self, max: Self) -> Selfwhere Self: Sized + PartialOrd,

Restrict a value to a certain interval.

impl PartialEq for U64

fn eq(&self, other: &U64) -> bool

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

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

This method tests for !=. The default implementation is almost always sufficient, and should not be overridden without very good reason.

impl PartialOrd for U64

fn partial_cmp(&self, other: &U64) -> Option<Ordering>

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

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

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

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

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

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

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

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

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

impl<'a, T> Rem<T> for &'a U64where T: Into<U64> + Copy,

type Output = U64

The resulting type after applying the % operator.

fn rem(self, other: T) -> U64

Performs the % operation.

impl<T> Rem<T> for U64where T: Into<U64> + Copy,

type Output = U64

The resulting type after applying the % operator.

fn rem(self, other: T) -> U64

Performs the % operation.

impl<T> RemAssign<T> for U64where T: Into<U64> + Copy,

fn rem_assign(&mut self, other: T)

Performs the %= operation.

impl Serialize for U64

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

Serialize this value into the given Serde serializer.

impl<'a, T> Shl<T> for &'a U64where T: Into<U64>,

type Output = U64

The resulting type after applying the << operator.

fn shl(self, shift: T) -> U64

Performs the << operation.

impl<T> Shl<T> for U64where T: Into<U64>,

type Output = U64

The resulting type after applying the << operator.

fn shl(self, shift: T) -> U64

Performs the << operation.

impl<T> ShlAssign<T> for U64where T: Into<U64>,

fn shl_assign(&mut self, shift: T)

Performs the <<= operation.

impl<'a, T> Shr<T> for &'a U64where T: Into<U64>,

type Output = U64

The resulting type after applying the >> operator.

fn shr(self, shift: T) -> U64

Performs the >> operation.

impl<T> Shr<T> for U64where T: Into<U64>,

type Output = U64

The resulting type after applying the >> operator.

fn shr(self, shift: T) -> U64

Performs the >> operation.

impl<T> ShrAssign<T> for U64where T: Into<U64>,

fn shr_assign(&mut self, shift: T)

Performs the >>= operation.

impl<'a, T> Sub<T> for &'a U64where T: Into<U64>,

type Output = U64

The resulting type after applying the - operator.

fn sub(self, other: T) -> U64

Performs the - operation.

impl<T> Sub<T> for U64where T: Into<U64>,

type Output = U64

The resulting type after applying the - operator.

fn sub(self, other: T) -> U64

Performs the - operation.

impl SubAssign for U64

fn sub_assign(&mut self, other: U64)

Performs the -= operation.

impl TryFrom<StringifiedNumeric> for U64

type Error = String

The type returned in the event of a conversion error.

fn try_from( value: StringifiedNumeric ) -> Result<U64, <U64 as TryFrom<StringifiedNumeric>>::Error>

Performs the conversion.

impl TryFrom<U64> for Chain

type Error = TryFromPrimitiveError<Chain>

The type returned in the event of a conversion error.

fn try_from(value: U64) -> Result<Chain, <Chain as TryFrom<U64>>::Error>

Performs the conversion.

impl UpperHex for U64

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

Formats the value using the given formatter.

impl AbiArrayType for U64

impl Copy for U64

impl EncodeLike for U64

impl Eq for U64

impl StructuralEq for U64

impl StructuralPartialEq for U64