# [−]Struct web3::types::U64

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

## Implementations

`impl U64`

`pub const `**MAX**: U64

**MAX**: U64

Maximum value.

`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`

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

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

`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`

`pub const fn zero() -> U64`

Zero (additive identity) of this type.

`pub fn one() -> U64`

One (multiplicative identity) of this type.

`pub fn max_value() -> U64`

The maximum value which can be inhabited by this type.

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

`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)`

Add with overflow.

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

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

`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 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<T> Add<T> for U64 where`

T: Into<U64>,

T: Into<U64>,

`impl<'a, T> Add<T> for &'a U64 where`

T: Into<U64>,

T: Into<U64>,

`impl AddAssign<U64> for U64`

`fn add_assign(&mut self, other: U64)`

`impl AsRef<[u64]> for U64`

Get a reference to the underlying little-endian words.

`impl BitAnd<U64> for U64`

`type Output = U64`

The resulting type after applying the `&`

operator.

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

`impl BitOr<U64> for U64`

`type Output = U64`

The resulting type after applying the `|`

operator.

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

`impl BitXor<U64> for U64`

`type Output = U64`

The resulting type after applying the `^`

operator.

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

`impl Clone for U64`

`fn clone(&self) -> U64`

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

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`impl Copy for U64`

`impl Debug for U64`

`impl Decodable for U64`

`impl Default for U64`

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

`fn deserialize<D>(`

deserializer: D

) -> Result<U64, <D as Deserializer<'de>>::Error> where

D: Deserializer<'de>,

deserializer: D

) -> Result<U64, <D as Deserializer<'de>>::Error> where

D: Deserializer<'de>,

`impl Display for U64`

`impl<T> Div<T> for U64 where`

T: Into<U64>,

T: Into<U64>,

`impl<'a, T> Div<T> for &'a U64 where`

T: Into<U64>,

T: Into<U64>,

`impl<T> DivAssign<T> for U64 where`

T: Into<U64>,

T: Into<U64>,

`fn div_assign(&mut self, other: T)`

`impl Encodable for U64`

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

`fn rlp_bytes(&self) -> Vec<u8>`

`impl Eq for U64`

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

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

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

`impl From<&'static str> for U64`

`impl From<[u8; 8]> for U64`

`impl From<U64> for BlockId`

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`impl From<i16> for U64`

`impl From<i32> for U64`

`impl From<i64> for U64`

`impl From<i8> for U64`

`impl From<isize> for U64`

`impl From<u16> for U64`

`impl From<u32> for U64`

`impl From<u64> for U64`

`impl From<u8> for U64`

`impl From<usize> for U64`

`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>`

`impl Hash for U64`

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

__H: Hasher,

__H: Hasher,

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

H: Hasher,

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H: Hasher,

`impl LowerHex for U64`

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

`type Output = U64`

The resulting type after applying the `*`

operator.

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

`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`

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

`type Output = U64`

The resulting type after applying the `*`

operator.

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

`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`

`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`

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

`type Output = U64`

The resulting type after applying the `*`

operator.

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

`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`

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

`type Output = U64`

The resulting type after applying the `*`

operator.

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

`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`

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

`type Output = U64`

The resulting type after applying the `*`

operator.

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

`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`

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

`type Output = U64`

The resulting type after applying the `*`

operator.

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

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

`type Output = U64`

The resulting type after applying the `*`

operator.

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

`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`

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

`type Output = U64`

The resulting type after applying the `*`

operator.

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

`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`

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

`type Output = U64`

The resulting type after applying the `*`

operator.

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

`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`

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

`type Output = U64`

The resulting type after applying the `*`

operator.

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

`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`

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

`type Output = U64`

The resulting type after applying the `*`

operator.

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

`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`

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

`impl Mul<U64> for U64`

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

`impl Mul<i16> for U64`

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

`impl Mul<i32> for U64`

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

`impl Mul<i64> for U64`

`impl Mul<i8> for U64`

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

`impl Mul<isize> for U64`

`type Output = U64`

The resulting type after applying the `*`

operator.

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

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

`type Output = U64`

The resulting type after applying the `*`

operator.

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

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

`impl Mul<u16> for U64`

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

`impl Mul<u32> for U64`

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

`impl Mul<u64> for U64`

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

`impl Mul<u8> for U64`

`impl Mul<usize> for U64`

`type Output = U64`

The resulting type after applying the `*`

operator.

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

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

`type Output = U64`

The resulting type after applying the `*`

operator.

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

`impl MulAssign<U64> for U64`

`fn mul_assign(&mut self, other: U64)`

`impl MulAssign<i16> for U64`

`fn mul_assign(&mut self, other: i16)`

`impl MulAssign<i32> for U64`

`fn mul_assign(&mut self, other: i32)`

`impl MulAssign<i64> for U64`

`fn mul_assign(&mut self, other: i64)`

`impl MulAssign<i8> for U64`

`fn mul_assign(&mut self, other: i8)`

`impl MulAssign<isize> for U64`

`fn mul_assign(&mut self, other: isize)`

`impl MulAssign<u16> for U64`

`fn mul_assign(&mut self, other: u16)`

`impl MulAssign<u32> for U64`

`fn mul_assign(&mut self, other: u32)`

`impl MulAssign<u64> for U64`

`fn mul_assign(&mut self, other: u64)`

`impl MulAssign<u8> for U64`

`fn mul_assign(&mut self, other: u8)`

`impl MulAssign<usize> for U64`

`fn mul_assign(&mut self, other: usize)`

`impl Not for U64`

`impl Ord for U64`

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

`#[must_use]fn max(self, other: Self) -> Self`

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`#[must_use]fn min(self, other: Self) -> Self`

1.21.0[src]

`#[must_use]fn clamp(self, min: Self, max: Self) -> Self`

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`impl PartialEq<U64> for U64`

`impl PartialOrd<U64> for U64`

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

`#[must_use]fn lt(&self, other: &Rhs) -> bool`

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`#[must_use]fn le(&self, other: &Rhs) -> bool`

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`#[must_use]fn gt(&self, other: &Rhs) -> bool`

1.0.0[src]

`#[must_use]fn ge(&self, other: &Rhs) -> bool`

1.0.0[src]

`impl<T> Rem<T> for U64 where`

T: Into<U64> + Copy,

T: Into<U64> + Copy,

`impl<'a, T> Rem<T> for &'a U64 where`

T: Into<U64> + Copy,

T: Into<U64> + Copy,

`impl<T> RemAssign<T> for U64 where`

T: Into<U64> + Copy,

T: Into<U64> + Copy,

`fn rem_assign(&mut self, other: T)`

`impl Serialize for U64`

`fn serialize<S>(`

&self,

serializer: S

) -> Result<<S as Serializer>::Ok, <S as Serializer>::Error> where

S: Serializer,

&self,

serializer: S

) -> Result<<S as Serializer>::Ok, <S as Serializer>::Error> where

S: Serializer,

`impl<T> Shl<T> for U64 where`

T: Into<U64>,

T: Into<U64>,

`impl<'a, T> Shl<T> for &'a U64 where`

T: Into<U64>,

T: Into<U64>,

`impl<T> ShlAssign<T> for U64 where`

T: Into<U64>,

T: Into<U64>,

`fn shl_assign(&mut self, shift: T)`

`impl<T> Shr<T> for U64 where`

T: Into<U64>,

T: Into<U64>,

`impl<'a, T> Shr<T> for &'a U64 where`

T: Into<U64>,

T: Into<U64>,

`impl<T> ShrAssign<T> for U64 where`

T: Into<U64>,

T: Into<U64>,

`fn shr_assign(&mut self, shift: T)`

`impl StructuralEq for U64`

`impl StructuralPartialEq for U64`

`impl<'a, T> Sub<T> for &'a U64 where`

T: Into<U64>,

T: Into<U64>,

`impl<T> Sub<T> for U64 where`

T: Into<U64>,

T: Into<U64>,

`impl SubAssign<U64> for U64`

`fn sub_assign(&mut self, other: U64)`

## Auto Trait Implementations

`impl RefUnwindSafe for U64`

`impl Send for U64`

`impl Sync for U64`

`impl Unpin for U64`

`impl UnwindSafe for U64`

## Blanket Implementations

`impl<T> Any for T where`

T: 'static + ?Sized,

[src]

T: 'static + ?Sized,

`impl<T, U> AsByteSlice<T> for U where`

T: ToByteSlice,

U: AsRef<[T]> + ?Sized,

T: ToByteSlice,

U: AsRef<[T]> + ?Sized,

`fn as_byte_slice(&self) -> &[u8]`

`impl<T> Borrow<T> for T where`

T: ?Sized,

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T: ?Sized,

`impl<T> BorrowMut<T> for T where`

T: ?Sized,

[src]

T: ?Sized,

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

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`impl<T> DeserializeOwned for T where`

T: for<'de> Deserialize<'de>,

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T: for<'de> Deserialize<'de>,

`impl<Q, K> Equivalent<K> for Q where`

K: Borrow<Q> + ?Sized,

Q: Eq + ?Sized,

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K: Borrow<Q> + ?Sized,

Q: Eq + ?Sized,

`fn equivalent(&self, key: &K) -> bool`

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`impl<T> From<T> for T`

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`impl<T> Instrument for T`

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`fn instrument(self, span: Span) -> Instrumented<Self>`

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`fn in_current_span(self) -> Instrumented<Self>`

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`impl<T> Instrument for T`

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`fn instrument(self, span: Span) -> Instrumented<Self>`

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`fn in_current_span(self) -> Instrumented<Self>`

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`impl<T, U> Into<U> for T where`

U: From<T>,

[src]

U: From<T>,

`impl<T, Rhs> NumAssignOps<Rhs> for T where`

T: AddAssign<Rhs> + SubAssign<Rhs> + MulAssign<Rhs> + DivAssign<Rhs> + RemAssign<Rhs>,

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T: AddAssign<Rhs> + SubAssign<Rhs> + MulAssign<Rhs> + DivAssign<Rhs> + RemAssign<Rhs>,

`impl<T, Rhs, Output> NumOps<Rhs, Output> for T where`

T: Sub<Rhs, Output = Output> + Mul<Rhs, Output = Output> + Div<Rhs, Output = Output> + Add<Rhs, Output = Output> + Rem<Rhs, Output = Output>,

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T: Sub<Rhs, Output = Output> + Mul<Rhs, Output = Output> + Div<Rhs, Output = Output> + Add<Rhs, Output = Output> + Rem<Rhs, Output = Output>,

`impl<T, Base> RefNum<Base> for T where`

T: NumOps<Base, Base> + for<'r> NumOps<&'r Base, Base>,

[src]

T: NumOps<Base, Base> + for<'r> NumOps<&'r Base, Base>,

`impl<T> Same<T> for T`

`type Output = T`

Should always be `Self`

`impl<T> ToOwned for T where`

T: Clone,

[src]

T: Clone,

`type Owned = T`

The resulting type after obtaining ownership.

`fn to_owned(&self) -> T`

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

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`impl<T> ToString for T where`

T: Display + ?Sized,

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T: Display + ?Sized,

`impl<T, U> TryFrom<U> for T where`

U: Into<T>,

[src]

U: Into<T>,

`type Error = Infallible`

The type returned in the event of a conversion error.

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

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`impl<T, U> TryInto<U> for T where`

U: TryFrom<T>,

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U: TryFrom<T>,

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

The type returned in the event of a conversion error.

`fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>`

[src]

`impl<V, T> VZip<V> for T where`

V: MultiLane<T>,

V: MultiLane<T>,