Struct U256

pub struct U256(/* private fields */);

Implementations

impl U256

pub const fn zero() -> Self

Zero value as U256

pub const fn one() -> Self

One value as U256

pub const fn max_value() -> Self

Max value of U256: 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF

pub fn from_str_radix(src: &str, radix: u32) -> Result<Self, U256FromStrError>

U256 from string with radix 10 or 16

pub fn from_le_bytes(slice: &[u8; 32]) -> Self

U256 from 32 little endian bytes

pub fn to_le_bytes(self) -> [u8; 32]

U256 to 32 little endian bytes

pub fn leading_zeros(&self) -> u32

Leading zeros of the number

pub const fn unchecked_as_u8(&self) -> u8

pub const fn unchecked_as_u16(&self) -> u16

pub const fn unchecked_as_u32(&self) -> u32

pub const fn unchecked_as_u64(&self) -> u64

pub const fn unchecked_as_u128(&self) -> u128

pub fn checked_add(self, rhs: Self) -> Option<Self>

Checked integer addition. Computes self + rhs, returning None if overflow occurred.

pub fn checked_sub(self, rhs: Self) -> Option<Self>

Checked integer subtraction. Computes self - rhs, returning None if overflow occurred.

pub fn checked_mul(self, rhs: Self) -> Option<Self>

Checked integer multiplication. Computes self * rhs, returning None if overflow occurred.

pub fn checked_div(self, rhs: Self) -> Option<Self>

Checked integer division. Computes self / rhs, returning None if rhs == 0.

pub fn checked_rem(self, rhs: Self) -> Option<Self>

Checked integer remainder. Computes self % rhs, returning None if rhs == 0.

pub fn checked_shl(self, rhs: u32) -> Option<Self>

Checked integer remainder. Computes self % rhs, returning None if rhs == 0.

pub fn checked_shr(self, rhs: u32) -> Option<Self>

Checked shift right. Computes self >> rhs, returning None if rhs is larger than or equal to the number of bits in self.

pub fn down_cast_lossy<T: TryFrom<u128>>(self) -> T

Downcast to a an unsigned value of type T T must be at most u128

pub fn wrapping_add(self, rhs: Self) -> Self

Wrapping integer addition. Computes self + rhs, wrapping around at the boundary of the type. By definition in std::instrinsics, a.wrapping_add(b) = (a + b) % (2^N), where N is bit width

pub fn wrapping_sub(self, rhs: Self) -> Self

Wrapping integer subtraction. Computes self - rhs, wrapping around at the boundary of the type. By definition in std::instrinsics, a.wrapping_add(b) = (a - b) % (2^N), where N is bit width

pub fn wrapping_mul(self, rhs: Self) -> Self

Wrapping integer multiplication. Computes self * rhs, wrapping around at the boundary of the type. By definition in std::instrinsics, a.wrapping_mul(b) = (a * b) % (2^N), where N is bit width

pub fn from_f64_lossy(value: f64) -> Self

pub fn to_f64_lossy(self) -> f64

Trait Implementations

impl Add for U256

type Output = U256

The resulting type after applying the + operator.

fn add(self, rhs: Self) -> Self::Output

Performs the + operation.

impl AddAssign for U256

fn add_assign(&mut self, rhs: Self)

Performs the += operation.

impl Arbitrary for U256

Available on crate feature proptest only.

type Strategy = BoxedStrategy<U256>

The type of Strategy used to generate values of type Self.

type Parameters = ()

The type of parameters that arbitrary_with accepts for configuration of the generated Strategy. Parameters must implement Default.

fn arbitrary_with(_params: Self::Parameters) -> Self::Strategy

Generates a Strategy for producing arbitrary values of type the implementing type (Self). The strategy is passed the arguments given in args.

fn arbitrary() -> Self::Strategy

Generates a Strategy for producing arbitrary values of type the implementing type (Self).

impl BitAnd for U256

type Output = U256

The resulting type after applying the & operator.

fn bitand(self, rhs: Self) -> Self::Output

Performs the & operation.

impl BitAndAssign for U256

fn bitand_assign(&mut self, rhs: Self)

Performs the &= operation.

impl BitOr for U256

type Output = U256

The resulting type after applying the | operator.

fn bitor(self, rhs: Self) -> Self::Output

Performs the | operation.

impl BitXor for U256

type Output = U256

The resulting type after applying the ^ operator.

fn bitxor(self, rhs: Self) -> Self::Output

Performs the ^ operation.

impl Clone for U256

fn clone(&self) -> U256

Returns a duplicate of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl Debug for U256

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.

impl Default for U256

fn default() -> U256

Returns the “default value” for a type.

impl<'de> Deserialize<'de> for U256

Available on crate feature serde only.

fn deserialize<D>(deserializer: D) -> Result<Self, D::Error>

where D: Deserializer<'de>,

Deserialize this value from the given Serde deserializer.

impl Display for U256

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.

impl Div for U256

type Output = U256

The resulting type after applying the / operator.

fn div(self, rhs: Self) -> Self::Output

Performs the / operation.

impl DivAssign for U256

fn div_assign(&mut self, rhs: Self)

Performs the /= operation.

impl From<u128> for U256

fn from(n: u128) -> Self

Converts to this type from the input type.

impl From<u16> for U256

fn from(n: u16) -> Self

Converts to this type from the input type.

impl From<u32> for U256

fn from(n: u32) -> Self

Converts to this type from the input type.

impl From<u64> for U256

fn from(n: u64) -> Self

Converts to this type from the input type.

impl From<u8> for U256

fn from(n: u8) -> Self

Converts to this type from the input type.

impl FromStr for U256

type Err = U256FromStrError

The associated error which can be returned from parsing.

fn from_str(s: &str) -> Result<Self, Self::Err>

Parses a string s to return a value of this type.

impl Hash for U256

fn hash<__H: Hasher>(&self, state: &mut __H)

Feeds this value into the given Hasher.

fn hash_slice<H>(data: &[Self], state: &mut H)

where H: Hasher, Self: Sized,

Feeds a slice of this type into the given Hasher.

impl LowerHex for U256

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.

impl Mul for U256

type Output = U256

The resulting type after applying the * operator.

fn mul(self, rhs: Self) -> Self::Output

Performs the * operation.

impl MulAssign for U256

fn mul_assign(&mut self, rhs: Self)

Performs the *= operation.

impl Ord for U256

fn cmp(&self, other: &U256) -> Ordering

This method returns an Ordering between self and other.

fn max(self, other: Self) -> Self

where Self: Sized,

Compares and returns the maximum of two values.

fn min(self, other: Self) -> Self

where Self: Sized,

Compares and returns the minimum of two values.

fn clamp(self, min: Self, max: Self) -> Self

where Self: Sized,

Restrict a value to a certain interval.

impl PartialEq for U256

fn eq(&self, other: &U256) -> bool

Tests for self and other values to be equal, and is used by ==.

fn ne(&self, other: &Rhs) -> bool

Tests for !=. The default implementation is almost always sufficient, and should not be overridden without very good reason.

impl PartialOrd for U256

fn partial_cmp(&self, other: &U256) -> Option<Ordering>

This method returns an ordering between self and other values if one exists.

fn lt(&self, other: &Rhs) -> bool

Tests less than (for self and other) and is used by the < operator.

fn le(&self, other: &Rhs) -> bool

Tests less than or equal to (for self and other) and is used by the <= operator.

fn gt(&self, other: &Rhs) -> bool

Tests greater than (for self and other) and is used by the > operator.

fn ge(&self, other: &Rhs) -> bool

Tests greater than or equal to (for self and other) and is used by the >= operator.

impl Rem for U256

type Output = U256

The resulting type after applying the % operator.

fn rem(self, rhs: Self) -> Self::Output

Performs the % operation.

impl RemAssign for U256

fn rem_assign(&mut self, rhs: Self)

Performs the %= operation.

impl Serialize for U256

Available on crate feature serde only.

fn serialize<S>(&self, serializer: S) -> Result<S::Ok, S::Error>

where S: Serializer,

Serialize this value into the given Serde serializer.

impl Shl<u32> for U256

type Output = U256

The resulting type after applying the << operator.

fn shl(self, rhs: u32) -> Self::Output

Performs the << operation.

impl Shl<u8> for U256

type Output = U256

The resulting type after applying the << operator.

fn shl(self, rhs: u8) -> Self::Output

Performs the << operation.

impl Shr<u8> for U256

type Output = U256

The resulting type after applying the >> operator.

fn shr(self, rhs: u8) -> Self::Output

Performs the >> operation.

impl Sub for U256

type Output = U256

The resulting type after applying the - operator.

fn sub(self, rhs: Self) -> Self::Output

Performs the - operation.

impl SubAssign for U256

fn sub_assign(&mut self, rhs: Self)

Performs the -= operation.

impl TryFrom<U256> for u128

type Error = U256CastError

The type returned in the event of a conversion error.

fn try_from(n: U256) -> Result<Self, Self::Error>

Performs the conversion.

impl TryFrom<U256> for u16

type Error = U256CastError

The type returned in the event of a conversion error.

fn try_from(n: U256) -> Result<Self, Self::Error>

Performs the conversion.

impl TryFrom<U256> for u32

type Error = U256CastError

The type returned in the event of a conversion error.

fn try_from(n: U256) -> Result<Self, Self::Error>

Performs the conversion.

impl TryFrom<U256> for u64

type Error = U256CastError

The type returned in the event of a conversion error.

fn try_from(n: U256) -> Result<Self, Self::Error>

Performs the conversion.

impl TryFrom<U256> for u8

type Error = U256CastError

The type returned in the event of a conversion error.

fn try_from(n: U256) -> Result<Self, Self::Error>

Performs the conversion.

impl UpperHex for U256

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.

impl Copy for U256

impl Eq for U256

impl StructuralPartialEq for U256