[−]Struct primitive_types::U256
Little-endian large integer type 256-bit unsigned integer.
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
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
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
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
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)
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
impl U256
[src]
pub fn full_mul(self, other: U256) -> U512
[src]
Multiplies two 256-bit integers to produce full 512-bit integer No overflow possible
Trait Implementations
impl Clone for U256
fn clone(&self) -> U256
fn clone_from(&mut self, source: &Self)
1.0.0[src]
Performs copy-assignment from source
. Read more
impl Ord for U256
fn cmp(&self, other: &U256) -> Ordering
fn max(self, other: Self) -> Self
1.21.0[src]
Compares and returns the maximum of two values. Read more
fn min(self, other: Self) -> Self
1.21.0[src]
Compares and returns the minimum of two values. Read more
fn clamp(self, min: Self, max: Self) -> Self
[src]
clamp
)Restrict a value to a certain interval. Read more
impl AsRef<U256> for U256
impl Default for U256
fn default() -> Self
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 From<U256> for U512
[src]
impl From<U128> for U256
[src]
impl<'a> From<&'a U256> for U512
[src]
impl PartialOrd<U256> for U256
fn partial_cmp(&self, other: &U256) -> Option<Ordering>
#[must_use]
fn lt(&self, other: &Rhs) -> bool
1.0.0[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) -> bool
1.0.0[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) -> bool
1.0.0[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) -> bool
1.0.0[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 Eq for U256
impl Display for U256
impl Debug for U256
impl<T> Div<T> for U256 where
T: Into<U256>,
T: Into<U256>,
impl<'a, T> Div<T> for &'a U256 where
T: Into<U256>,
T: Into<U256>,
impl<T> Add<T> for U256 where
T: Into<U256>,
T: Into<U256>,
impl<'a, T> Add<T> for &'a U256 where
T: Into<U256>,
T: Into<U256>,
impl<T> Sub<T> for U256 where
T: Into<U256>,
T: Into<U256>,
impl<'a, T> Sub<T> for &'a U256 where
T: Into<U256>,
T: Into<U256>,
impl Mul<U256> for U256
type Output = U256
The resulting type after applying the *
operator.
fn mul(self, other: U256) -> U256
impl<'a> Mul<&'a U256> for U256
type Output = U256
The resulting type after applying the *
operator.
fn mul(self, other: &'a U256) -> U256
impl<'a> Mul<&'a U256> for &'a U256
type Output = U256
The resulting type after applying the *
operator.
fn mul(self, other: &'a U256) -> U256
impl<'a> Mul<U256> for &'a U256
type Output = U256
The resulting type after applying the *
operator.
fn mul(self, other: U256) -> U256
impl Mul<u8> for U256
impl<'a> Mul<&'a u8> for U256
type Output = U256
The resulting type after applying the *
operator.
fn mul(self, other: &'a u8) -> U256
impl<'a> Mul<&'a u8> for &'a U256
type Output = U256
The resulting type after applying the *
operator.
fn mul(self, other: &'a u8) -> U256
impl<'a> Mul<u8> for &'a U256
impl Mul<u16> for U256
type Output = U256
The resulting type after applying the *
operator.
fn mul(self, other: u16) -> U256
impl<'a> Mul<&'a u16> for U256
type Output = U256
The resulting type after applying the *
operator.
fn mul(self, other: &'a u16) -> U256
impl<'a> Mul<&'a u16> for &'a U256
type Output = U256
The resulting type after applying the *
operator.
fn mul(self, other: &'a u16) -> U256
impl<'a> Mul<u16> for &'a U256
type Output = U256
The resulting type after applying the *
operator.
fn mul(self, other: u16) -> U256
impl Mul<u32> for U256
type Output = U256
The resulting type after applying the *
operator.
fn mul(self, other: u32) -> U256
impl<'a> Mul<&'a u32> for U256
type Output = U256
The resulting type after applying the *
operator.
fn mul(self, other: &'a u32) -> U256
impl<'a> Mul<&'a u32> for &'a U256
type Output = U256
The resulting type after applying the *
operator.
fn mul(self, other: &'a u32) -> U256
impl<'a> Mul<u32> for &'a U256
type Output = U256
The resulting type after applying the *
operator.
fn mul(self, other: u32) -> U256
impl Mul<u64> for U256
type Output = U256
The resulting type after applying the *
operator.
fn mul(self, other: u64) -> U256
impl<'a> Mul<&'a u64> for U256
type Output = U256
The resulting type after applying the *
operator.
fn mul(self, other: &'a u64) -> U256
impl<'a> Mul<&'a u64> for &'a U256
type Output = U256
The resulting type after applying the *
operator.
fn mul(self, other: &'a u64) -> U256
impl<'a> Mul<u64> for &'a U256
type Output = U256
The resulting type after applying the *
operator.
fn mul(self, other: u64) -> U256
impl Mul<usize> for U256
type Output = U256
The resulting type after applying the *
operator.
fn mul(self, other: usize) -> U256
impl<'a> Mul<&'a usize> for U256
type Output = U256
The resulting type after applying the *
operator.
fn mul(self, other: &'a usize) -> U256
impl<'a> Mul<&'a usize> for &'a U256
type Output = U256
The resulting type after applying the *
operator.
fn mul(self, other: &'a usize) -> U256
impl<'a> Mul<usize> for &'a U256
type Output = U256
The resulting type after applying the *
operator.
fn mul(self, other: usize) -> U256
impl Mul<i8> for U256
impl<'a> Mul<&'a i8> for U256
type Output = U256
The resulting type after applying the *
operator.
fn mul(self, other: &'a i8) -> U256
impl<'a> Mul<&'a i8> for &'a U256
type Output = U256
The resulting type after applying the *
operator.
fn mul(self, other: &'a i8) -> U256
impl<'a> Mul<i8> for &'a U256
impl Mul<i16> for U256
type Output = U256
The resulting type after applying the *
operator.
fn mul(self, other: i16) -> U256
impl<'a> Mul<&'a i16> for U256
type Output = U256
The resulting type after applying the *
operator.
fn mul(self, other: &'a i16) -> U256
impl<'a> Mul<&'a i16> for &'a U256
type Output = U256
The resulting type after applying the *
operator.
fn mul(self, other: &'a i16) -> U256
impl<'a> Mul<i16> for &'a U256
type Output = U256
The resulting type after applying the *
operator.
fn mul(self, other: i16) -> U256
impl Mul<i32> for U256
type Output = U256
The resulting type after applying the *
operator.
fn mul(self, other: i32) -> U256
impl<'a> Mul<&'a i32> for U256
type Output = U256
The resulting type after applying the *
operator.
fn mul(self, other: &'a i32) -> U256
impl<'a> Mul<&'a i32> for &'a U256
type Output = U256
The resulting type after applying the *
operator.
fn mul(self, other: &'a i32) -> U256
impl<'a> Mul<i32> for &'a U256
type Output = U256
The resulting type after applying the *
operator.
fn mul(self, other: i32) -> U256
impl Mul<i64> for U256
type Output = U256
The resulting type after applying the *
operator.
fn mul(self, other: i64) -> U256
impl<'a> Mul<&'a i64> for U256
type Output = U256
The resulting type after applying the *
operator.
fn mul(self, other: &'a i64) -> U256
impl<'a> Mul<&'a i64> for &'a U256
type Output = U256
The resulting type after applying the *
operator.
fn mul(self, other: &'a i64) -> U256
impl<'a> Mul<i64> for &'a U256
type Output = U256
The resulting type after applying the *
operator.
fn mul(self, other: i64) -> U256
impl Mul<isize> for U256
type Output = U256
The resulting type after applying the *
operator.
fn mul(self, other: isize) -> U256
impl<'a> Mul<&'a isize> for U256
type Output = U256
The resulting type after applying the *
operator.
fn mul(self, other: &'a isize) -> U256
impl<'a> Mul<&'a isize> for &'a U256
type Output = U256
The resulting type after applying the *
operator.
fn mul(self, other: &'a isize) -> U256
impl<'a> Mul<isize> for &'a U256
type Output = U256
The resulting type after applying the *
operator.
fn mul(self, other: isize) -> U256
impl<T> Rem<T> for U256 where
T: Into<U256> + Copy,
T: Into<U256> + Copy,
impl<'a, T> Rem<T> for &'a U256 where
T: Into<U256> + Copy,
T: Into<U256> + Copy,
impl AddAssign<U256> for U256
fn add_assign(&mut self, other: U256)
impl SubAssign<U256> for U256
fn sub_assign(&mut self, other: U256)
impl MulAssign<U256> for U256
fn mul_assign(&mut self, other: U256)
impl MulAssign<u8> for U256
fn mul_assign(&mut self, other: u8)
impl MulAssign<u16> for U256
fn mul_assign(&mut self, other: u16)
impl MulAssign<u32> for U256
fn mul_assign(&mut self, other: u32)
impl MulAssign<u64> for U256
fn mul_assign(&mut self, other: u64)
impl MulAssign<usize> for U256
fn mul_assign(&mut self, other: usize)
impl MulAssign<i8> for U256
fn mul_assign(&mut self, other: i8)
impl MulAssign<i16> for U256
fn mul_assign(&mut self, other: i16)
impl MulAssign<i32> for U256
fn mul_assign(&mut self, other: i32)
impl MulAssign<i64> for U256
fn mul_assign(&mut self, other: i64)
impl MulAssign<isize> for U256
fn mul_assign(&mut self, other: isize)
impl<T> DivAssign<T> for U256 where
T: Into<U256>,
T: Into<U256>,
fn div_assign(&mut self, other: T)
impl<T> RemAssign<T> for U256 where
T: Into<U256> + Copy,
T: Into<U256> + Copy,
fn rem_assign(&mut self, other: T)
impl Not for U256
impl BitAnd<U256> for U256
type Output = U256
The resulting type after applying the &
operator.
fn bitand(self, other: U256) -> U256
impl BitOr<U256> for U256
type Output = U256
The resulting type after applying the |
operator.
fn bitor(self, other: U256) -> U256
impl BitXor<U256> for U256
type Output = U256
The resulting type after applying the ^
operator.
fn bitxor(self, other: U256) -> U256
impl<T> Shl<T> for U256 where
T: Into<U256>,
T: Into<U256>,
impl<'a, T> Shl<T> for &'a U256 where
T: Into<U256>,
T: Into<U256>,
impl<T> Shr<T> for U256 where
T: Into<U256>,
T: Into<U256>,
impl<'a, T> Shr<T> for &'a U256 where
T: Into<U256>,
T: Into<U256>,
impl<T> ShlAssign<T> for U256 where
T: Into<U256>,
T: Into<U256>,
fn shl_assign(&mut self, shift: T)
impl<T> ShrAssign<T> for U256 where
T: Into<U256>,
T: Into<U256>,
fn shr_assign(&mut self, shift: T)
impl Hash for U256
fn hash<__H: Hasher>(&self, state: &mut __H)
fn hash_slice<H>(data: &[Self], state: &mut H) where
H: Hasher,
1.3.0[src]
H: Hasher,
Feeds a slice of this type into the given [Hasher
]. Read more
impl TryFrom<U256> for u8
type Error = &'static str
The type returned in the event of a conversion error.
fn try_from(u: U256) -> Result<u8, &'static str>
impl TryFrom<U256> for u16
type Error = &'static str
The type returned in the event of a conversion error.
fn try_from(u: U256) -> Result<u16, &'static str>
impl TryFrom<U256> for u32
type Error = &'static str
The type returned in the event of a conversion error.
fn try_from(u: U256) -> Result<u32, &'static str>
impl TryFrom<U256> for usize
type Error = &'static str
The type returned in the event of a conversion error.
fn try_from(u: U256) -> Result<usize, &'static str>
impl TryFrom<U256> for u64
type Error = &'static str
The type returned in the event of a conversion error.
fn try_from(u: U256) -> Result<u64, &'static str>
impl TryFrom<U256> for i8
type Error = &'static str
The type returned in the event of a conversion error.
fn try_from(u: U256) -> Result<i8, &'static str>
impl TryFrom<U256> for i16
type Error = &'static str
The type returned in the event of a conversion error.
fn try_from(u: U256) -> Result<i16, &'static str>
impl TryFrom<U256> for i32
type Error = &'static str
The type returned in the event of a conversion error.
fn try_from(u: U256) -> Result<i32, &'static str>
impl TryFrom<U256> for isize
type Error = &'static str
The type returned in the event of a conversion error.
fn try_from(u: U256) -> Result<isize, &'static str>
impl TryFrom<U256> for i64
type Error = &'static str
The type returned in the event of a conversion error.
fn try_from(u: U256) -> Result<i64, &'static str>
impl TryFrom<U256> for u128
type Error = &'static str
The type returned in the event of a conversion error.
fn try_from(u: U256) -> Result<u128, &'static str>
impl TryFrom<U256> for i128
type Error = &'static str
The type returned in the event of a conversion error.
fn try_from(u: U256) -> Result<i128, &'static str>
impl TryFrom<U256> for U128
[src]
type Error = Error
The type returned in the event of a conversion error.
fn try_from(value: U256) -> Result<U128, Error>
[src]
impl TryFrom<U512> for U256
[src]
type Error = Error
The type returned in the event of a conversion error.
fn try_from(value: U512) -> Result<U256, Error>
[src]
impl<'a> TryFrom<&'a U512> for U256
[src]
type Error = Error
The type returned in the event of a conversion error.
fn try_from(value: &'a U512) -> Result<U256, Error>
[src]
impl FromStr for U256
type Err = FromHexError
The associated error which can be returned from parsing.
fn from_str(value: &str) -> Result<U256, Self::Err>
impl LowerHex for U256
impl Encode for U256
fn using_encoded<R, F: FnOnce(&[u8]) -> R>(&self, f: F) -> R
fn size_hint(&self) -> usize
If possible give a hint of expected size of the encoding. Read more
fn encode_to<T>(&self, dest: &mut T) where
T: Output,
T: Output,
Convert self to a slice and append it to the destination.
fn encode(&self) -> Vec<u8>
Convert self to an owned vector.
impl Decode for U256
Auto Trait Implementations
impl Sync for U256
impl Send for U256
impl Unpin for U256
impl RefUnwindSafe for U256
impl UnwindSafe for U256
Blanket Implementations
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
[src]
fn clone_into(&self, target: &mut T)
[src]
impl<T> From<T> for T
[src]
impl<T, U> Into<U> for T where
U: From<T>,
[src]
U: From<T>,
impl<T> ToString for T where
T: Display + ?Sized,
[src]
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>
[src]
impl<T, U> TryInto<U> for T where
U: TryFrom<T>,
[src]
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<T> BorrowMut<T> for T where
T: ?Sized,
[src]
T: ?Sized,
fn borrow_mut(&mut self) -> &mut T
[src]
impl<T> Borrow<T> for T where
T: ?Sized,
[src]
T: ?Sized,
impl<T> Any for T where
T: 'static + ?Sized,
[src]
T: 'static + ?Sized,
impl<T, X> Encode for X where
T: Encode + ?Sized,
X: WrapperTypeEncode<Target = T>,
T: Encode + ?Sized,
X: WrapperTypeEncode<Target = T>,
fn size_hint(&self) -> usize
fn using_encoded<R, F>(&self, f: F) -> R where
F: FnOnce(&[u8]) -> R,
F: FnOnce(&[u8]) -> R,
fn encode(&self) -> Vec<u8>
fn encode_to<W>(&self, dest: &mut W) where
W: Output,
W: Output,
impl<T, X> Decode for X where
T: Decode + Into<X>,
X: WrapperTypeDecode<Wrapped = T>,
T: Decode + Into<X>,
X: WrapperTypeDecode<Wrapped = T>,
impl<S> Codec for S where
S: Encode + Decode,
S: Encode + Decode,
impl<'_, T> EncodeLike<&'_ T> for T where
T: Encode,
T: Encode,
impl<T> KeyedVec for T where
T: Codec,
T: Codec,
impl<T> DecodeAll for T where
T: Decode,
T: Decode,