Struct casper_types::U128
source · #[repr(C)]pub struct U128(pub [u64; 2]);
Expand description
Little-endian large integer type
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<U128> for U128
impl AddAssign<U128> for U128
source§fn add_assign(&mut self, other: U128)
fn add_assign(&mut self, other: U128)
+=
operation. Read moresource§impl AsPrimitive<U128> for U128
impl AsPrimitive<U128> for U128
source§impl AsPrimitive<U128> for U256
impl AsPrimitive<U128> for U256
source§impl AsPrimitive<U128> for U512
impl AsPrimitive<U128> for U512
source§impl AsPrimitive<U128> for i32
impl AsPrimitive<U128> for i32
source§impl AsPrimitive<U128> for i64
impl AsPrimitive<U128> for i64
source§impl AsPrimitive<U128> for u32
impl AsPrimitive<U128> for u32
source§impl AsPrimitive<U128> for u64
impl AsPrimitive<U128> for u64
source§impl AsPrimitive<U128> for u8
impl AsPrimitive<U128> for u8
source§impl AsPrimitive<U256> for U128
impl AsPrimitive<U256> for U128
source§impl AsPrimitive<U512> for U128
impl AsPrimitive<U512> for U128
source§impl AsPrimitive<i32> for U128
impl AsPrimitive<i32> for U128
source§impl AsPrimitive<i64> for U128
impl AsPrimitive<i64> for U128
source§impl AsPrimitive<u32> for U128
impl AsPrimitive<u32> for U128
source§impl AsPrimitive<u64> for U128
impl AsPrimitive<u64> for U128
source§impl AsPrimitive<u8> for U128
impl AsPrimitive<u8> for U128
source§impl BitAndAssign<U128> for U128
impl BitAndAssign<U128> for U128
source§fn bitand_assign(&mut self, rhs: U128)
fn bitand_assign(&mut self, rhs: U128)
&=
operation. Read moresource§impl BitOrAssign<U128> for U128
impl BitOrAssign<U128> for U128
source§fn bitor_assign(&mut self, rhs: U128)
fn bitor_assign(&mut self, rhs: U128)
|=
operation. Read moresource§impl BitXorAssign<U128> for U128
impl BitXorAssign<U128> for U128
source§fn bitxor_assign(&mut self, rhs: U128)
fn bitxor_assign(&mut self, rhs: U128)
^=
operation. Read moresource§impl CheckedMul for U128
impl CheckedMul for U128
source§impl CheckedSub for U128
impl CheckedSub for U128
source§impl<'de> Deserialize<'de> for U128
impl<'de> Deserialize<'de> for U128
source§fn deserialize<D: Deserializer<'de>>(deserializer: D) -> Result<Self, D::Error>
fn deserialize<D: Deserializer<'de>>(deserializer: D) -> Result<Self, D::Error>
source§impl Distribution<U128> for Standard
impl Distribution<U128> for Standard
source§fn sample<R: Rng + ?Sized>(&self, rng: &mut R) -> U128
fn sample<R: Rng + ?Sized>(&self, rng: &mut R) -> U128
T
, using rng
as the source of randomness.source§impl<T> DivAssign<T> for U128where
T: Into<U128>,
impl<T> DivAssign<T> for U128where T: Into<U128>,
source§fn div_assign(&mut self, other: T)
fn div_assign(&mut self, other: T)
/=
operation. Read moresource§impl Integer for U128
impl Integer for U128
source§fn div_floor(&self, other: &Self) -> Self
fn div_floor(&self, other: &Self) -> Self
Unsigned integer division. Returns the same result as div
(/
).
source§fn mod_floor(&self, other: &Self) -> Self
fn mod_floor(&self, other: &Self) -> Self
Unsigned integer modulo operation. Returns the same result as rem
(%
).
source§fn gcd(&self, other: &Self) -> Self
fn gcd(&self, other: &Self) -> Self
Calculates the Greatest Common Divisor (GCD) of the number and other
source§fn lcm(&self, other: &Self) -> Self
fn lcm(&self, other: &Self) -> Self
Calculates the Lowest Common Multiple (LCM) of the number and other
.
source§fn gcd_lcm(&self, other: &Self) -> (Self, Self)
fn gcd_lcm(&self, other: &Self) -> (Self, Self)
Calculates the Greatest Common Divisor (GCD) and
Lowest Common Multiple (LCM) of the number and other
.
source§fn is_multiple_of(&self, other: &Self) -> bool
fn is_multiple_of(&self, other: &Self) -> bool
Returns true
if the number is a multiple of other
.
source§fn div_rem(&self, other: &Self) -> (Self, Self)
fn div_rem(&self, other: &Self) -> (Self, Self)
Simultaneous truncated integer division and modulus.
source§fn extended_gcd(&self, other: &Self) -> ExtendedGcd<Self>where
Self: Clone,
fn extended_gcd(&self, other: &Self) -> ExtendedGcd<Self>where Self: Clone,
source§fn div_mod_floor(&self, other: &Self) -> (Self, Self)
fn div_mod_floor(&self, other: &Self) -> (Self, Self)
(quotient, remainder)
. Read moresource§impl MulAssign<U128> for U128
impl MulAssign<U128> for U128
source§fn mul_assign(&mut self, other: U128)
fn mul_assign(&mut self, other: U128)
*=
operation. Read moresource§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 Num for U128
impl Num for U128
type FromStrRadixErr = UIntParseError
source§fn from_str_radix(str: &str, radix: u32) -> Result<Self, Self::FromStrRadixErr>
fn from_str_radix(str: &str, radix: u32) -> Result<Self, Self::FromStrRadixErr>
2..=36
). Read moresource§impl Ord for U128
impl Ord for U128
source§impl PartialEq<U128> for U128
impl PartialEq<U128> for U128
source§impl PartialOrd<U128> for U128
impl PartialOrd<U128> 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 U128where
T: Into<U128> + Copy,
impl<T> RemAssign<T> for U128where T: Into<U128> + Copy,
source§fn rem_assign(&mut self, other: T)
fn rem_assign(&mut self, other: T)
%=
operation. Read moresource§impl<T> ShlAssign<T> for U128where
T: Into<U128>,
impl<T> ShlAssign<T> for U128where T: Into<U128>,
source§fn shl_assign(&mut self, shift: T)
fn shl_assign(&mut self, shift: T)
<<=
operation. Read moresource§impl<T> ShrAssign<T> for U128where
T: Into<U128>,
impl<T> ShrAssign<T> for U128where T: Into<U128>,
source§fn shr_assign(&mut self, shift: T)
fn shr_assign(&mut self, shift: T)
>>=
operation. Read moresource§impl SubAssign<U128> for U128
impl SubAssign<U128> for U128
source§fn sub_assign(&mut self, other: U128)
fn sub_assign(&mut self, other: U128)
-=
operation. Read moresource§impl ToBytes for U128
impl ToBytes for U128
source§fn serialized_length(&self) -> usize
fn serialized_length(&self) -> usize
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.source§impl WrappingAdd for U128
impl WrappingAdd for U128
source§fn wrapping_add(&self, other: &U128) -> U128
fn wrapping_add(&self, other: &U128) -> U128
self + other
, wrapping around at the boundary of
the type.source§impl WrappingSub for U128
impl WrappingSub for U128
source§fn wrapping_sub(&self, other: &U128) -> U128
fn wrapping_sub(&self, other: &U128) -> U128
self - other
, wrapping around at the boundary
of the type.impl Copy for U128
impl Eq for U128
impl StructuralEq for U128
impl StructuralPartialEq for U128
impl Unsigned for U128
Auto Trait Implementations§
impl RefUnwindSafe for U128
impl Send for U128
impl Sync for U128
impl Unpin for U128
impl UnwindSafe for U128
Blanket Implementations§
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
§impl<T> Conv for T
impl<T> Conv for T
§impl<T> FmtForward for T
impl<T> FmtForward for T
§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.§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.§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.§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.§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.§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.§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.§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> LowerBounded for Twhere
T: Bounded,
impl<T> LowerBounded for Twhere T: Bounded,
§impl<T> Pipe for T
impl<T> Pipe for T
§impl<T> PipeAsRef for T
impl<T> PipeAsRef for T
§impl<T> PipeBorrow for T
impl<T> PipeBorrow for T
§impl<T> PipeDeref for T
impl<T> PipeDeref for T
§impl<T> PipeRef for T
impl<T> PipeRef for T
§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,
§fn pipe_mut<'a, R>(&'a mut self, func: impl FnOnce(&'a mut Self) -> R) -> Rwhere
R: 'a,
fn pipe_mut<'a, R>(&'a mut self, func: impl FnOnce(&'a mut Self) -> R) -> Rwhere R: 'a,
§impl<T> Tap for T
impl<T> Tap for T
§fn tap<F, R>(self, func: F) -> Selfwhere
F: FnOnce(&Self) -> R,
fn tap<F, R>(self, func: F) -> Selfwhere F: FnOnce(&Self) -> R,
§fn tap_dbg<F, R>(self, func: F) -> Selfwhere
F: FnOnce(&Self) -> R,
fn tap_dbg<F, R>(self, func: F) -> Selfwhere F: FnOnce(&Self) -> R,
tap
in debug builds, and does nothing in release builds.§fn tap_mut<F, R>(self, func: F) -> Selfwhere
F: FnOnce(&mut Self) -> R,
fn tap_mut<F, R>(self, func: F) -> Selfwhere F: FnOnce(&mut Self) -> R,
§fn tap_mut_dbg<F, R>(self, func: F) -> Selfwhere
F: FnOnce(&mut Self) -> R,
fn tap_mut_dbg<F, R>(self, func: F) -> Selfwhere F: FnOnce(&mut Self) -> R,
tap_mut
in debug builds, and does nothing in release builds.§impl<T, U> TapAsRef<U> for Twhere
U: ?Sized,
impl<T, U> TapAsRef<U> for Twhere U: ?Sized,
§fn tap_ref<F, R>(self, func: F) -> Selfwhere
Self: AsRef<T>,
F: FnOnce(&T) -> R,
fn tap_ref<F, R>(self, func: F) -> Selfwhere Self: AsRef<T>, F: FnOnce(&T) -> R,
§fn tap_ref_dbg<F, R>(self, func: F) -> Selfwhere
Self: AsRef<T>,
F: FnOnce(&T) -> R,
fn tap_ref_dbg<F, R>(self, func: F) -> Selfwhere Self: AsRef<T>, F: FnOnce(&T) -> R,
tap_ref
in debug builds, and does nothing in release builds.§fn tap_ref_mut<F, R>(self, func: F) -> Selfwhere
Self: AsMut<T>,
F: FnOnce(&mut T) -> R,
fn tap_ref_mut<F, R>(self, func: F) -> Selfwhere Self: AsMut<T>, F: FnOnce(&mut T) -> R,
§fn tap_ref_mut_dbg<F, R>(self, func: F) -> Selfwhere
Self: AsMut<T>,
F: FnOnce(&mut T) -> R,
fn tap_ref_mut_dbg<F, R>(self, func: F) -> Selfwhere Self: AsMut<T>, F: FnOnce(&mut T) -> R,
tap_ref_mut
in debug builds, and does nothing in release builds.§impl<T, U> TapBorrow<U> for Twhere
U: ?Sized,
impl<T, U> TapBorrow<U> for Twhere U: ?Sized,
§fn tap_borrow<F, R>(self, func: F) -> Selfwhere
Self: Borrow<T>,
F: FnOnce(&T) -> R,
fn tap_borrow<F, R>(self, func: F) -> Selfwhere Self: Borrow<T>, F: FnOnce(&T) -> R,
§fn tap_borrow_dbg<F, R>(self, func: F) -> Selfwhere
Self: Borrow<T>,
F: FnOnce(&T) -> R,
fn tap_borrow_dbg<F, R>(self, func: F) -> Selfwhere Self: Borrow<T>, F: FnOnce(&T) -> R,
tap_borrow
in debug builds, and does nothing in release builds.§fn tap_borrow_mut<F, R>(self, func: F) -> Selfwhere
Self: BorrowMut<T>,
F: FnOnce(&mut T) -> R,
fn tap_borrow_mut<F, R>(self, func: F) -> Selfwhere Self: BorrowMut<T>, F: FnOnce(&mut T) -> R,
§fn tap_borrow_mut_dbg<F, R>(self, func: F) -> Selfwhere
Self: BorrowMut<T>,
F: FnOnce(&mut T) -> R,
fn tap_borrow_mut_dbg<F, R>(self, func: F) -> Selfwhere Self: BorrowMut<T>, F: FnOnce(&mut T) -> R,
tap_borrow_mut
in debug builds, and does nothing in release
builds.§impl<T> TapDeref for T
impl<T> TapDeref for T
§fn tap_deref<F, R>(self, func: F) -> Selfwhere
Self: Deref,
F: FnOnce(&Self::Target) -> R,
fn tap_deref<F, R>(self, func: F) -> Selfwhere Self: Deref, F: FnOnce(&Self::Target) -> R,
self
for inspection.§fn tap_deref_dbg<F, R>(self, func: F) -> Selfwhere
Self: Deref,
F: FnOnce(&Self::Target) -> R,
fn tap_deref_dbg<F, R>(self, func: F) -> Selfwhere Self: Deref, F: FnOnce(&Self::Target) -> R,
tap_deref
in debug builds, and does nothing in release builds.§fn tap_deref_mut<F, R>(self, func: F) -> Selfwhere
Self: DerefMut,
F: FnOnce(&mut Self::Target) -> R,
fn tap_deref_mut<F, R>(self, func: F) -> Selfwhere Self: DerefMut, F: FnOnce(&mut Self::Target) -> R,
self
for modification.§fn tap_deref_mut_dbg<F, R>(self, func: F) -> Selfwhere
Self: DerefMut,
F: FnOnce(&mut Self::Target) -> R,
fn tap_deref_mut_dbg<F, R>(self, func: F) -> Selfwhere Self: DerefMut, F: FnOnce(&mut Self::Target) -> R,
tap_deref_mut
in debug builds, and does nothing in release
builds.