Struct primitive_types::U128
source · #[repr(C)]pub struct U128(pub [u64; 2]);
Expand description
Little-endian large integer type 128-bit unsigned integer.
Tuple Fields§
§0: [u64; 2]
Implementations§
source§impl U128
impl U128
sourcepub fn from_str_radix(txt: &str, radix: u32) -> Result<Self, FromStrRadixErr>
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.
sourcepub fn from_dec_str(value: &str) -> Result<Self, FromDecStrErr>
pub fn from_dec_str(value: &str) -> Result<Self, FromDecStrErr>
Convert from a decimal string.
sourcepub fn as_u64(&self) -> u64
pub fn as_u64(&self) -> u64
Conversion to u64 with overflow checking
§Panics
Panics if the number is larger than u64::max_value().
sourcepub fn as_usize(&self) -> usize
pub fn as_usize(&self) -> usize
Conversion to usize with overflow checking
§Panics
Panics if the number is larger than usize::max_value().
sourcepub fn leading_zeros(&self) -> u32
pub fn leading_zeros(&self) -> u32
Returns the number of leading zeros in the binary representation of self.
sourcepub fn trailing_zeros(&self) -> u32
pub fn trailing_zeros(&self) -> u32
Returns the number of trailing zeros in the binary representation of self.
sourcepub fn to_big_endian(&self, bytes: &mut [u8])
pub fn to_big_endian(&self, bytes: &mut [u8])
Write to the slice in big-endian format.
sourcepub fn to_little_endian(&self, bytes: &mut [u8])
pub fn to_little_endian(&self, bytes: &mut [u8])
Write to the slice in little-endian format.
sourcepub fn div_mod(self, other: Self) -> (Self, Self)
pub fn div_mod(self, other: Self) -> (Self, Self)
sourcepub fn integer_sqrt(&self) -> Self
pub fn integer_sqrt(&self) -> Self
Compute the highest n
such that n * n <= self
.
sourcepub fn pow(self, expon: Self) -> Self
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.
sourcepub fn overflowing_pow(self, expon: Self) -> (Self, bool)
pub fn overflowing_pow(self, expon: Self) -> (Self, bool)
Fast exponentiation by squaring. Returns result and overflow flag.
sourcepub fn checked_pow(self, expon: U128) -> Option<U128>
pub fn checked_pow(self, expon: U128) -> Option<U128>
Checked exponentiation. Returns None
if overflow occurred.
sourcepub fn overflowing_add(self, other: U128) -> (U128, bool)
pub fn overflowing_add(self, other: U128) -> (U128, bool)
Addition which overflows and returns a flag if it does.
sourcepub fn saturating_add(self, other: U128) -> U128
pub fn saturating_add(self, other: U128) -> U128
Addition which saturates at the maximum value (Self::MAX).
sourcepub fn checked_add(self, other: U128) -> Option<U128>
pub fn checked_add(self, other: U128) -> Option<U128>
Checked addition. Returns None
if overflow occurred.
sourcepub fn overflowing_sub(self, other: U128) -> (U128, bool)
pub fn overflowing_sub(self, other: U128) -> (U128, bool)
Subtraction which underflows and returns a flag if it does.
sourcepub fn saturating_sub(self, other: U128) -> U128
pub fn saturating_sub(self, other: U128) -> U128
Subtraction which saturates at zero.
sourcepub fn checked_sub(self, other: U128) -> Option<U128>
pub fn checked_sub(self, other: U128) -> Option<U128>
Checked subtraction. Returns None
if overflow occurred.
sourcepub fn abs_diff(self, other: U128) -> U128
pub fn abs_diff(self, other: U128) -> U128
Computes the absolute difference between self and other.
sourcepub fn overflowing_mul(self, other: U128) -> (U128, bool)
pub fn overflowing_mul(self, other: U128) -> (U128, bool)
Multiply with overflow, returning a flag if it does.
sourcepub fn saturating_mul(self, other: U128) -> U128
pub fn saturating_mul(self, other: U128) -> U128
Multiplication which saturates at the maximum value..
sourcepub fn checked_mul(self, other: U128) -> Option<U128>
pub fn checked_mul(self, other: U128) -> Option<U128>
Checked multiplication. Returns None
if overflow occurred.
sourcepub fn checked_div(self, other: U128) -> Option<U128>
pub fn checked_div(self, other: U128) -> Option<U128>
Checked division. Returns None
if other == 0
.
sourcepub fn checked_rem(self, other: U128) -> Option<U128>
pub fn checked_rem(self, other: U128) -> Option<U128>
Checked modulus. Returns None
if other == 0
.
sourcepub fn overflowing_neg(self) -> (U128, bool)
pub fn overflowing_neg(self) -> (U128, bool)
Negation with overflow.
sourcepub fn checked_neg(self) -> Option<U128>
pub fn checked_neg(self) -> Option<U128>
Checked negation. Returns None
unless self == 0
.
sourcepub fn from_big_endian(slice: &[u8]) -> Self
pub fn from_big_endian(slice: &[u8]) -> Self
Converts from big endian representation bytes in memory.
sourcepub fn from_little_endian(slice: &[u8]) -> Self
pub fn from_little_endian(slice: &[u8]) -> Self
Converts from little endian representation bytes in memory.
Trait Implementations§
source§impl AddAssign for U128
impl AddAssign for U128
source§fn add_assign(&mut self, other: U128)
fn add_assign(&mut self, other: U128)
+=
operation. Read moresource§impl BitAndAssign for U128
impl BitAndAssign for U128
source§fn bitand_assign(&mut self, rhs: U128)
fn bitand_assign(&mut self, rhs: U128)
&=
operation. Read moresource§impl BitOrAssign for U128
impl BitOrAssign for U128
source§fn bitor_assign(&mut self, rhs: U128)
fn bitor_assign(&mut self, rhs: U128)
|=
operation. Read moresource§impl BitXorAssign for U128
impl BitXorAssign for U128
source§fn bitxor_assign(&mut self, rhs: U128)
fn bitxor_assign(&mut self, rhs: U128)
^=
operation. Read moresource§impl Decode for U128
impl Decode for U128
source§fn decode<I: Input>(input: &mut I) -> Result<Self, Error>
fn decode<I: Input>(input: &mut I) -> Result<Self, Error>
source§fn decode_into<I>(
input: &mut I,
dst: &mut MaybeUninit<Self>,
) -> Result<DecodeFinished, Error>where
I: Input,
fn decode_into<I>(
input: &mut I,
dst: &mut MaybeUninit<Self>,
) -> Result<DecodeFinished, Error>where
I: Input,
source§impl<'de> Deserialize<'de> for U128
impl<'de> Deserialize<'de> for U128
source§fn deserialize<D>(deserializer: D) -> Result<Self, D::Error>where
D: Deserializer<'de>,
fn deserialize<D>(deserializer: D) -> Result<Self, D::Error>where
D: Deserializer<'de>,
source§impl<T> DivAssign<T> for U128
impl<T> DivAssign<T> for U128
source§fn div_assign(&mut self, other: T)
fn div_assign(&mut self, other: T)
/=
operation. Read moresource§impl Encode for U128
impl Encode for U128
source§fn using_encoded<R, F: FnOnce(&[u8]) -> R>(&self, f: F) -> R
fn using_encoded<R, F: FnOnce(&[u8]) -> R>(&self, f: F) -> R
source§fn size_hint(&self) -> usize
fn size_hint(&self) -> usize
source§fn encode_to<T>(&self, dest: &mut T)
fn encode_to<T>(&self, dest: &mut T)
source§fn encoded_size(&self) -> usize
fn encoded_size(&self) -> usize
source§impl MaxEncodedLen for U128
impl MaxEncodedLen for U128
source§fn max_encoded_len() -> usize
fn max_encoded_len() -> usize
source§impl MulAssign<i16> for U128
impl MulAssign<i16> for U128
source§fn mul_assign(&mut self, other: i16)
fn mul_assign(&mut self, other: i16)
*=
operation. Read moresource§impl MulAssign<i32> for U128
impl MulAssign<i32> for U128
source§fn mul_assign(&mut self, other: i32)
fn mul_assign(&mut self, other: i32)
*=
operation. Read moresource§impl MulAssign<i64> for U128
impl MulAssign<i64> for U128
source§fn mul_assign(&mut self, other: i64)
fn mul_assign(&mut self, other: i64)
*=
operation. Read moresource§impl MulAssign<i8> for U128
impl MulAssign<i8> for U128
source§fn mul_assign(&mut self, other: i8)
fn mul_assign(&mut self, other: i8)
*=
operation. Read moresource§impl MulAssign<isize> for U128
impl MulAssign<isize> for U128
source§fn mul_assign(&mut self, other: isize)
fn mul_assign(&mut self, other: isize)
*=
operation. Read moresource§impl MulAssign<u16> for U128
impl MulAssign<u16> for U128
source§fn mul_assign(&mut self, other: u16)
fn mul_assign(&mut self, other: u16)
*=
operation. Read moresource§impl MulAssign<u32> for U128
impl MulAssign<u32> for U128
source§fn mul_assign(&mut self, other: u32)
fn mul_assign(&mut self, other: u32)
*=
operation. Read moresource§impl MulAssign<u64> for U128
impl MulAssign<u64> for U128
source§fn mul_assign(&mut self, other: u64)
fn mul_assign(&mut self, other: u64)
*=
operation. Read moresource§impl MulAssign<u8> for U128
impl MulAssign<u8> for U128
source§fn mul_assign(&mut self, other: u8)
fn mul_assign(&mut self, other: u8)
*=
operation. Read moresource§impl MulAssign<usize> for U128
impl MulAssign<usize> for U128
source§fn mul_assign(&mut self, other: usize)
fn mul_assign(&mut self, other: usize)
*=
operation. Read moresource§impl MulAssign for U128
impl MulAssign for U128
source§fn mul_assign(&mut self, other: U128)
fn mul_assign(&mut self, other: U128)
*=
operation. Read moresource§impl Ord for U128
impl Ord for U128
source§impl PartialEq for U128
impl PartialEq for U128
source§impl PartialOrd for U128
impl PartialOrd for U128
1.0.0 · source§fn le(&self, other: &Rhs) -> bool
fn le(&self, other: &Rhs) -> bool
self
and other
) and is used by the <=
operator. Read moresource§impl<T> RemAssign<T> for U128
impl<T> RemAssign<T> for U128
source§fn rem_assign(&mut self, other: T)
fn rem_assign(&mut self, other: T)
%=
operation. Read moresource§impl<T> ShlAssign<T> for U128
impl<T> ShlAssign<T> for U128
source§fn shl_assign(&mut self, shift: T)
fn shl_assign(&mut self, shift: T)
<<=
operation. Read moresource§impl<T> ShrAssign<T> for U128
impl<T> ShrAssign<T> for U128
source§fn shr_assign(&mut self, shift: T)
fn shr_assign(&mut self, shift: T)
>>=
operation. Read moresource§impl SubAssign for U128
impl SubAssign for U128
source§fn sub_assign(&mut self, other: U128)
fn sub_assign(&mut self, other: U128)
-=
operation. Read moreimpl Copy for U128
impl EncodeLike for U128
impl Eq for U128
impl StructuralPartialEq for U128
Auto Trait Implementations§
impl Freeze for U128
impl RefUnwindSafe for U128
impl Send for U128
impl Sync for U128
impl Unpin for U128
impl UnwindSafe for U128
Blanket Implementations§
source§impl<A, T> AsBits<T> for A
impl<A, T> AsBits<T> for A
source§impl<T, U> AsByteSlice<T> for U
impl<T, U> AsByteSlice<T> for U
fn as_byte_slice(&self) -> &[u8] ⓘ
source§impl<T> BorrowMut<T> for Twhere
T: ?Sized,
impl<T> BorrowMut<T> for Twhere
T: ?Sized,
source§fn borrow_mut(&mut self) -> &mut T
fn borrow_mut(&mut self) -> &mut T
source§impl<T> CloneToUninit for Twhere
T: Copy,
impl<T> CloneToUninit for Twhere
T: Copy,
source§unsafe fn clone_to_uninit(&self, dst: *mut T)
unsafe fn clone_to_uninit(&self, dst: *mut T)
clone_to_uninit
)source§impl<T> CloneToUninit for Twhere
T: Clone,
impl<T> CloneToUninit for Twhere
T: Clone,
source§default unsafe fn clone_to_uninit(&self, dst: *mut T)
default unsafe fn clone_to_uninit(&self, dst: *mut T)
clone_to_uninit
)source§impl<T> DecodeLimit for Twhere
T: Decode,
impl<T> DecodeLimit for Twhere
T: Decode,
source§impl<T> FmtForward for T
impl<T> FmtForward for T
source§fn fmt_binary(self) -> FmtBinary<Self>where
Self: Binary,
fn fmt_binary(self) -> FmtBinary<Self>where
Self: Binary,
self
to use its Binary
implementation when Debug
-formatted.source§fn fmt_display(self) -> FmtDisplay<Self>where
Self: Display,
fn fmt_display(self) -> FmtDisplay<Self>where
Self: Display,
self
to use its Display
implementation when
Debug
-formatted.source§fn fmt_lower_exp(self) -> FmtLowerExp<Self>where
Self: LowerExp,
fn fmt_lower_exp(self) -> FmtLowerExp<Self>where
Self: LowerExp,
self
to use its LowerExp
implementation when
Debug
-formatted.source§fn fmt_lower_hex(self) -> FmtLowerHex<Self>where
Self: LowerHex,
fn fmt_lower_hex(self) -> FmtLowerHex<Self>where
Self: LowerHex,
self
to use its LowerHex
implementation when
Debug
-formatted.source§fn fmt_octal(self) -> FmtOctal<Self>where
Self: Octal,
fn fmt_octal(self) -> FmtOctal<Self>where
Self: Octal,
self
to use its Octal
implementation when Debug
-formatted.source§fn fmt_pointer(self) -> FmtPointer<Self>where
Self: Pointer,
fn fmt_pointer(self) -> FmtPointer<Self>where
Self: Pointer,
self
to use its Pointer
implementation when
Debug
-formatted.source§fn fmt_upper_exp(self) -> FmtUpperExp<Self>where
Self: UpperExp,
fn fmt_upper_exp(self) -> FmtUpperExp<Self>where
Self: UpperExp,
self
to use its UpperExp
implementation when
Debug
-formatted.source§fn fmt_upper_hex(self) -> FmtUpperHex<Self>where
Self: UpperHex,
fn fmt_upper_hex(self) -> FmtUpperHex<Self>where
Self: UpperHex,
self
to use its UpperHex
implementation when
Debug
-formatted.source§impl<T> Pipe for Twhere
T: ?Sized,
impl<T> Pipe for Twhere
T: ?Sized,
source§fn pipe<R>(self, func: impl FnOnce(Self) -> R) -> Rwhere
Self: Sized,
fn pipe<R>(self, func: impl FnOnce(Self) -> R) -> Rwhere
Self: Sized,
source§fn pipe_ref<'a, R>(&'a self, func: impl FnOnce(&'a Self) -> R) -> Rwhere
R: 'a,
fn pipe_ref<'a, R>(&'a self, func: impl FnOnce(&'a Self) -> R) -> Rwhere
R: 'a,
self
and passes that borrow into the pipe function. Read moresource§fn pipe_ref_mut<'a, R>(&'a mut self, func: impl FnOnce(&'a mut Self) -> R) -> Rwhere
R: 'a,
fn pipe_ref_mut<'a, R>(&'a mut self, func: impl FnOnce(&'a mut Self) -> R) -> Rwhere
R: 'a,
self
and passes that borrow into the pipe function. Read moresource§fn pipe_borrow<'a, B, R>(&'a self, func: impl FnOnce(&'a B) -> R) -> R
fn pipe_borrow<'a, B, R>(&'a self, func: impl FnOnce(&'a B) -> R) -> R
source§fn pipe_borrow_mut<'a, B, R>(
&'a mut self,
func: impl FnOnce(&'a mut B) -> R,
) -> R
fn pipe_borrow_mut<'a, B, R>( &'a mut self, func: impl FnOnce(&'a mut B) -> R, ) -> R
source§fn pipe_as_ref<'a, U, R>(&'a self, func: impl FnOnce(&'a U) -> R) -> R
fn pipe_as_ref<'a, U, R>(&'a self, func: impl FnOnce(&'a U) -> R) -> R
self
, then passes self.as_ref()
into the pipe function.source§fn pipe_as_mut<'a, U, R>(&'a mut self, func: impl FnOnce(&'a mut U) -> R) -> R
fn pipe_as_mut<'a, U, R>(&'a mut self, func: impl FnOnce(&'a mut U) -> R) -> R
self
, then passes self.as_mut()
into the pipe
function.source§fn pipe_deref<'a, T, R>(&'a self, func: impl FnOnce(&'a T) -> R) -> R
fn pipe_deref<'a, T, R>(&'a self, func: impl FnOnce(&'a T) -> R) -> R
self
, then passes self.deref()
into the pipe function.source§impl<T> Tap for T
impl<T> Tap for T
source§fn tap_borrow<B>(self, func: impl FnOnce(&B)) -> Self
fn tap_borrow<B>(self, func: impl FnOnce(&B)) -> Self
Borrow<B>
of a value. Read moresource§fn tap_borrow_mut<B>(self, func: impl FnOnce(&mut B)) -> Self
fn tap_borrow_mut<B>(self, func: impl FnOnce(&mut B)) -> Self
BorrowMut<B>
of a value. Read moresource§fn tap_ref<R>(self, func: impl FnOnce(&R)) -> Self
fn tap_ref<R>(self, func: impl FnOnce(&R)) -> Self
AsRef<R>
view of a value. Read moresource§fn tap_ref_mut<R>(self, func: impl FnOnce(&mut R)) -> Self
fn tap_ref_mut<R>(self, func: impl FnOnce(&mut R)) -> Self
AsMut<R>
view of a value. Read moresource§fn tap_deref<T>(self, func: impl FnOnce(&T)) -> Self
fn tap_deref<T>(self, func: impl FnOnce(&T)) -> Self
Deref::Target
of a value. Read moresource§fn tap_deref_mut<T>(self, func: impl FnOnce(&mut T)) -> Self
fn tap_deref_mut<T>(self, func: impl FnOnce(&mut T)) -> Self
Deref::Target
of a value. Read moresource§fn tap_dbg(self, func: impl FnOnce(&Self)) -> Self
fn tap_dbg(self, func: impl FnOnce(&Self)) -> Self
.tap()
only in debug builds, and is erased in release builds.source§fn tap_mut_dbg(self, func: impl FnOnce(&mut Self)) -> Self
fn tap_mut_dbg(self, func: impl FnOnce(&mut Self)) -> Self
.tap_mut()
only in debug builds, and is erased in release
builds.source§fn tap_borrow_dbg<B>(self, func: impl FnOnce(&B)) -> Self
fn tap_borrow_dbg<B>(self, func: impl FnOnce(&B)) -> Self
.tap_borrow()
only in debug builds, and is erased in release
builds.source§fn tap_borrow_mut_dbg<B>(self, func: impl FnOnce(&mut B)) -> Self
fn tap_borrow_mut_dbg<B>(self, func: impl FnOnce(&mut B)) -> Self
.tap_borrow_mut()
only in debug builds, and is erased in release
builds.source§fn tap_ref_dbg<R>(self, func: impl FnOnce(&R)) -> Self
fn tap_ref_dbg<R>(self, func: impl FnOnce(&R)) -> Self
.tap_ref()
only in debug builds, and is erased in release
builds.source§fn tap_ref_mut_dbg<R>(self, func: impl FnOnce(&mut R)) -> Self
fn tap_ref_mut_dbg<R>(self, func: impl FnOnce(&mut R)) -> Self
.tap_ref_mut()
only in debug builds, and is erased in release
builds.source§fn tap_deref_dbg<T>(self, func: impl FnOnce(&T)) -> Self
fn tap_deref_dbg<T>(self, func: impl FnOnce(&T)) -> Self
.tap_deref()
only in debug builds, and is erased in release
builds.