[−]Struct web3::types::U256
Little-endian large integer type 256-bit unsigned integer.
Implementations
impl U256
pub fn full_mul(self, other: U256) -> U512
Multiplies two 256-bit integers to produce full 512-bit integer No overflow possible
impl U256
impl U256
pub const MAX: U256
Maximum value.
pub fn from_dec_str(value: &str) -> Result<U256, 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) -> U256
pub const fn zero() -> U256
Zero (additive identity) of this type.
pub fn one() -> U256
One (multiplicative identity) of this type.
pub fn max_value() -> U256
The maximum value which can be inhabited by this type.
pub fn div_mod(self, other: U256) -> (U256, U256)
pub fn pow(self, expon: U256) -> U256
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: U256) -> (U256, bool)
Fast exponentiation by squaring. Returns result and overflow flag.
pub fn checked_pow(self, expon: U256) -> Option<U256>
Checked exponentiation. Returns None
if overflow occurred.
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]) -> U256
Converts from big endian representation bytes in memory.
pub fn from_little_endian(slice: &[u8]) -> U256
Converts from little endian representation bytes in memory.
Trait Implementations
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 AddAssign<U256> for U256
fn add_assign(&mut self, other: U256)
impl AsRef<[u64]> for U256
Get a reference to the underlying little-endian words.
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 Clone for U256
fn clone(&self) -> U256
fn clone_from(&mut self, source: &Self)
1.0.0[src]
impl Copy for U256
impl Debug for U256
impl Decodable for U256
impl Decode for U256
impl Default for U256
impl<'de> Deserialize<'de> for U256
fn deserialize<D>(
deserializer: D
) -> Result<U256, <D as Deserializer<'de>>::Error> where
D: Deserializer<'de>,
deserializer: D
) -> Result<U256, <D as Deserializer<'de>>::Error> where
D: Deserializer<'de>,
impl Display for U256
impl<'a, T> Div<T> for &'a U256 where
T: Into<U256>,
T: Into<U256>,
impl<T> Div<T> for U256 where
T: Into<U256>,
T: Into<U256>,
impl<T> DivAssign<T> for U256 where
T: Into<U256>,
T: Into<U256>,
fn div_assign(&mut self, other: T)
impl Encodable for U256
fn rlp_append(&self, s: &mut RlpStream)
fn rlp_bytes(&self) -> Vec<u8>
impl Encode for U256
fn using_encoded<R, F>(&self, f: F) -> R where
F: FnOnce(&[u8]) -> R,
F: FnOnce(&[u8]) -> R,
fn size_hint(&self) -> usize
fn encode_to<T>(&self, dest: &mut T) where
T: Output,
T: Output,
fn encode(&self) -> Vec<u8>
impl EncodeLike<U256> for U256
impl Eq for U256
impl<'a> From<&'a [u8; 32]> for U256
impl<'a> From<&'a [u8]> for U256
impl<'a> From<&'a U256> for U256
impl From<&'static str> for U256
impl From<[u8; 32]> for U256
impl From<U128> for U256
impl From<i128> for U256
impl From<i16> for U256
impl From<i32> for U256
impl From<i64> for U256
impl From<i8> for U256
impl From<isize> for U256
impl From<u128> for U256
impl From<u16> for U256
impl From<u32> for U256
impl From<u64> for U256
impl From<u8> for U256
impl From<usize> for U256
impl FromStr for U256
type Err = FromHexError
The associated error which can be returned from parsing.
fn from_str(value: &str) -> Result<U256, <U256 as FromStr>::Err>
impl Hash for U256
fn hash<__H>(&self, state: &mut __H) where
__H: Hasher,
__H: Hasher,
fn hash_slice<H>(data: &[Self], state: &mut H) where
H: Hasher,
1.3.0[src]
H: Hasher,
impl LowerHex for 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<&'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<&'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 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<&'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<&'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<&'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 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<&'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<&'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 u32> for &'a U256
type Output = U256
The resulting type after applying the *
operator.
fn mul(self, other: &'a 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 u64> for &'a U256
type Output = U256
The resulting type after applying the *
operator.
fn mul(self, other: &'a 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 u8> for &'a U256
type Output = U256
The resulting type after applying the *
operator.
fn mul(self, other: &'a u8) -> 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 usize> for &'a U256
type Output = U256
The resulting type after applying the *
operator.
fn mul(self, other: &'a 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 Mul<U256> for U256
type Output = U256
The resulting type after applying the *
operator.
fn mul(self, other: 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<'a> Mul<i16> for &'a U256
type Output = U256
The resulting type after applying the *
operator.
fn mul(self, other: i16) -> U256
impl Mul<i16> for 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<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<i64> for &'a U256
type Output = U256
The resulting type after applying the *
operator.
fn mul(self, other: i64) -> U256
impl<'a> Mul<i8> for &'a U256
impl Mul<i8> for 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<isize> for &'a U256
type Output = U256
The resulting type after applying the *
operator.
fn mul(self, other: isize) -> 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<u16> for &'a U256
type Output = U256
The resulting type after applying the *
operator.
fn mul(self, other: u16) -> 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<u32> for U256
type Output = U256
The resulting type after applying the *
operator.
fn mul(self, other: u32) -> 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<u64> for U256
type Output = U256
The resulting type after applying the *
operator.
fn mul(self, other: u64) -> U256
impl<'a> Mul<u8> for &'a U256
impl Mul<u8> for 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<usize> for &'a U256
type Output = U256
The resulting type after applying the *
operator.
fn mul(self, other: usize) -> U256
impl MulAssign<U256> for U256
fn mul_assign(&mut self, other: U256)
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<i8> for U256
fn mul_assign(&mut self, other: i8)
impl MulAssign<isize> for U256
fn mul_assign(&mut self, other: isize)
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<u8> for U256
fn mul_assign(&mut self, other: u8)
impl MulAssign<usize> for U256
fn mul_assign(&mut self, other: usize)
impl Not for U256
impl Ord for U256
fn cmp(&self, other: &U256) -> Ordering
#[must_use]fn max(self, other: Self) -> Self
1.21.0[src]
#[must_use]fn min(self, other: Self) -> Self
1.21.0[src]
#[must_use]fn clamp(self, min: Self, max: Self) -> Self
[src]
impl PartialEq<U256> for U256
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]
#[must_use]fn le(&self, other: &Rhs) -> bool
1.0.0[src]
#[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 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<T> RemAssign<T> for U256 where
T: Into<U256> + Copy,
T: Into<U256> + Copy,
fn rem_assign(&mut self, other: T)
impl Serialize for U256
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<'a, T> Shl<T> for &'a U256 where
T: Into<U256>,
T: Into<U256>,
impl<T> Shl<T> for 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> 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> ShrAssign<T> for U256 where
T: Into<U256>,
T: Into<U256>,
fn shr_assign(&mut self, shift: T)
impl StructuralEq for U256
impl StructuralPartialEq for U256
impl<'a, T> Sub<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 SubAssign<U256> for U256
fn sub_assign(&mut self, other: U256)
impl Tokenizable for U256
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fn from_token(token: Token) -> Result<Self, Error>
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fn into_token(self) -> Token
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impl TokenizableItem for U256
[src]
impl<'a> TryFrom<&'a U512> for U256
type Error = Error
The type returned in the event of a conversion error.
fn try_from(value: &'a U512) -> Result<U256, Error>
impl TryFrom<U256> for U128
type Error = Error
The type returned in the event of a conversion error.
fn try_from(value: U256) -> Result<U128, Error>
impl TryFrom<U512> for U256
Auto Trait Implementations
impl RefUnwindSafe for U256
impl Send for U256
impl Sync for U256
impl Unpin for U256
impl UnwindSafe for U256
Blanket Implementations
impl<T> Any for T where
T: 'static + ?Sized,
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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,
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T: ?Sized,
fn borrow_mut(&mut self) -> &mut T
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impl<S> Codec for S where
S: Encode + Decode,
S: Encode + Decode,
impl<T, X> Decode for X where
T: Decode + Into<X>,
X: WrapperTypeDecode<Wrapped = T>,
T: Decode + Into<X>,
X: WrapperTypeDecode<Wrapped = T>,
impl<T> DecodeAll for T where
T: Decode,
T: Decode,
fn decode_all(input: &[u8]) -> Result<T, Error>
impl<T> DecodeLimit for T where
T: Decode,
T: Decode,
fn decode_all_with_depth_limit(limit: u32, input: &[u8]) -> Result<T, Error>
fn decode_with_depth_limit(limit: u32, input: &[u8]) -> Result<T, Error>
impl<T> DeserializeOwned for T where
T: for<'de> Deserialize<'de>,
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T: for<'de> Deserialize<'de>,
impl<T> Detokenize for T where
T: Tokenizable,
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T: Tokenizable,
fn from_tokens(Vec<Token>) -> Result<T, Error>
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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> EncodeLike<&'_ &'_ T> for T where
T: Encode,
T: Encode,
impl<'_, T> EncodeLike<&'_ T> for T where
T: Encode,
T: Encode,
impl<'_, T> EncodeLike<&'_ mut T> for T where
T: Encode,
T: Encode,
impl<T> EncodeLike<Arc<T>> for T where
T: Encode,
T: Encode,
impl<T> EncodeLike<Box<T>> for T where
T: Encode,
T: Encode,
impl<'a, T> EncodeLike<Cow<'a, T>> for T where
T: Encode + ToOwned,
T: Encode + ToOwned,
impl<T> EncodeLike<Rc<T>> for T where
T: Encode,
T: Encode,
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<S> FullCodec for S where
S: Decode + FullEncode,
S: Decode + FullEncode,
impl<S> FullEncode for S where
S: Encode + EncodeLike<S>,
S: Encode + EncodeLike<S>,
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> KeyedVec for T where
T: Codec,
T: Codec,
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>,
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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,
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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> Tokenize for T where
T: Tokenizable,
[src]
T: Tokenizable,
fn into_tokens(Self) -> Vec<Token>
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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>,
[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>
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impl<V, T> VZip<V> for T where
V: MultiLane<T>,
V: MultiLane<T>,