Struct Uint256

pub struct Uint256(pub [u64; 4]);

Little-endian large integer type

Tuple Fields

0: [u64; 4]

Implementations

impl Uint256

pub fn as_ptr(&self) -> *const u64

Converts the object to a raw pointer

pub fn as_mut_ptr(&mut self) -> *mut u64

Converts the object to a mutable raw pointer

pub fn len(&self) -> usize

Returns the length of the object as an array

pub fn is_empty(&self) -> bool

Returns whether the object, as an array, is empty. Always false.

pub fn as_bytes(&self) -> &[u64; 4]

Returns the underlying bytes.

pub fn to_bytes(self) -> [u64; 4]

Returns the underlying bytes.

pub fn into_bytes(self) -> [u64; 4]

Returns the underlying bytes.

impl Uint256

pub fn low_u32(&self) -> u32

Conversion to u32

pub fn low_u64(&self) -> u64

Conversion to u64

pub fn bits(&self) -> usize

Return the least number of bits needed to represent the number

pub fn mul_u32(self, other: u32) -> Uint256

Multiplication by u32

pub fn from_u64(init: u64) -> Option<Uint256>

Create an object from a given unsigned 64-bit integer

pub fn from_i64(init: i64) -> Option<Uint256>

Create an object from a given signed 64-bit integer

pub fn from_be_bytes(bytes: [u8; 32]) -> Uint256

Creates big integer value from a byte array using big-endian encoding

pub fn from_be_slice(bytes: &[u8]) -> Result<Uint256, ParseLengthError>

Creates big integer value from a byte slice using big-endian encoding

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

Convert a big integer into a byte array using big-endian encoding

pub fn increment(&mut self)

Increment by 1

impl Uint256

pub fn low_128(&self) -> Uint128

Decay to a uint128

Trait Implementations

impl Add for Uint256

type Output = Uint256

The resulting type after applying the + operator.

fn add(self, other: Uint256) -> Uint256

Performs the + operation.

impl BitAnd for Uint256

type Output = Uint256

The resulting type after applying the & operator.

fn bitand(self, other: Uint256) -> Uint256

Performs the & operation.

impl BitArray for Uint256

fn bit(&self, index: usize) -> bool

Is bit set?

fn bit_slice(&self, start: usize, end: usize) -> Uint256

Returns an array which is just the bits from start to end

fn mask(&self, n: usize) -> Uint256

Bitwise and with n ones

fn trailing_zeros(&self) -> usize

Trailing zeros

fn zero() -> Uint256

Create all-zeros value

fn one() -> Uint256

Create value representing one

impl BitOr for Uint256

type Output = Uint256

The resulting type after applying the | operator.

fn bitor(self, other: Uint256) -> Uint256

Performs the | operation.

impl BitXor for Uint256

type Output = Uint256

The resulting type after applying the ^ operator.

fn bitxor(self, other: Uint256) -> Uint256

Performs the ^ operation.

impl Clone for Uint256

fn clone(&self) -> Uint256

Returns a copy of the value.

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

Performs copy-assignment from source.

impl Debug for Uint256

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

Formats the value using the given formatter.

impl Decodable for Uint256

fn consensus_decode<R>(r: &mut R) -> Result<Uint256, Error>

where R: Read + ?Sized,

Decode an object with a well-defined format.

fn consensus_decode_from_finite_reader<R>(reader: &mut R) -> Result<Self, Error>

where R: Read + ?Sized,

Decode Self from a size-limited reader.

impl Default for Uint256

fn default() -> Uint256

Returns the “default value” for a type.

impl Display for Uint256

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

Formats the value using the given formatter.

impl Div for Uint256

type Output = Uint256

The resulting type after applying the / operator.

fn div(self, other: Uint256) -> Uint256

Performs the / operation.

impl Encodable for Uint256

fn consensus_encode<W>(&self, w: &mut W) -> Result<usize, Error>

where W: Write + ?Sized,

Encode an object with a well-defined format. Returns the number of bytes written on success.

impl<'a> From<&'a [u64]> for Uint256

fn from(data: &'a [u64]) -> Uint256

Converts to this type from the input type.

impl Hash for Uint256

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

where __H: Hasher,

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<I> Index<I> for Uint256

where [u64]: Index<I>,

type Output = <[u64] as Index<I>>::Output

The returned type after indexing.

fn index(&self, index: I) -> &<Uint256 as Index<I>>::Output

Performs the indexing (container[index]) operation.

impl Mul for Uint256

type Output = Uint256

The resulting type after applying the * operator.

fn mul(self, other: Uint256) -> Uint256

Performs the * operation.

impl Not for Uint256

type Output = Uint256

The resulting type after applying the ! operator.

fn not(self) -> Uint256

Performs the unary ! operation.

impl Ord for Uint256

fn cmp(&self, other: &Uint256) -> 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 Uint256

fn eq(&self, other: &Uint256) -> 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 Uint256

fn partial_cmp(&self, other: &Uint256) -> 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 Uint256

type Output = Uint256

The resulting type after applying the % operator.

fn rem(self, other: Uint256) -> Uint256

Performs the % operation.

impl Shl<usize> for Uint256

type Output = Uint256

The resulting type after applying the << operator.

fn shl(self, shift: usize) -> Uint256

Performs the << operation.

impl Shr<usize> for Uint256

type Output = Uint256

The resulting type after applying the >> operator.

fn shr(self, shift: usize) -> Uint256

Performs the >> operation.

impl Sub for Uint256

type Output = Uint256

The resulting type after applying the - operator.

fn sub(self, other: Uint256) -> Uint256

Performs the - operation.

impl Copy for Uint256

impl Eq for Uint256

impl StructuralPartialEq for Uint256