[−]Struct casperlabs_contract_ffi::value::U256
Little-endian large integer type
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
Trait Implementations
impl ToBytes for U256
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impl FromBytes for U256
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fn from_bytes(bytes: &[u8]) -> Result<(Self, &[u8]), Error>
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impl PartialEq<U256> for U256
impl Eq for U256
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 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 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<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> 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> 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 Display for U256
impl Debug for U256
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<Value> for U256
[src]
type Error = String
The type returned in the event of a conversion error.
fn try_from(v: Value) -> Result<U256, String>
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impl AsRef<U256> for U256
impl<'a> From<&'a U256> for U256
impl From<U256> for [u8; 32]
impl From<[u8; 32]> for U256
fn from(bytes: [u8; 32]) -> Self
impl<'a> From<&'a [u8; 32]> for U256
fn from(bytes: &[u8; 32]) -> Self
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<u128> for U256
impl From<i128> for U256
impl From<U256> for Value
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impl LowerHex for U256
impl Copy for U256
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 Default for U256
fn default() -> Self
impl Bounded for U256
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impl Num for U256
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type FromStrRadixErr = UIntParseError
fn from_str_radix(str: &str, radix: u32) -> Result<Self, Self::FromStrRadixErr>
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impl Zero for U256
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fn zero() -> Self
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fn is_zero(&self) -> bool
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fn set_zero(&mut self)
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Sets self
to the additive identity element of Self
, 0
.
impl One for U256
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fn one() -> Self
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fn set_one(&mut self)
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Sets self
to the multiplicative identity element of Self
, 1
.
fn is_one(&self) -> bool where
Self: PartialEq<Self>,
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Self: PartialEq<Self>,
Returns true
if self
is equal to the multiplicative identity. Read more
impl WrappingAdd for U256
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fn wrapping_add(&self, other: &U256) -> U256
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impl WrappingSub for U256
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fn wrapping_sub(&self, other: &U256) -> U256
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impl Unsigned for U256
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Auto Trait Implementations
Blanket Implementations
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> Into<U> for T where
U: From<T>,
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U: From<T>,
impl<T> From<T> for T
[src]
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>
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impl<T> Borrow<T> for T where
T: ?Sized,
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T: ?Sized,
impl<T> BorrowMut<T> for T where
T: ?Sized,
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T: ?Sized,
fn borrow_mut(&mut self) -> &mut T
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impl<T> Any for T where
T: 'static + ?Sized,
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T: 'static + ?Sized,
impl<T> ToOwned for T where
T: Clone,
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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, 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> NumRef for T where
T: Num + NumOps<&'r T, T>,
[src]
T: Num + NumOps<&'r T, T>,
impl<T, Base> RefNum<Base> for T where
T: NumOps<Base, Base> + NumOps<&'r Base, Base>,
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T: NumOps<Base, Base> + NumOps<&'r Base, Base>,
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> NumAssign for T where
T: Num + NumAssignOps<T>,
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T: Num + NumAssignOps<T>,
impl<T> Same<T> for T
type Output = T
Should always be Self