Struct bitcoin::util::uint::Uint256

#[repr(C)]
pub struct Uint256(pub [u64; 4]);

Little-endian large integer type

Methods

impl Uint256

fn as_ptr(&self) -> *const u64

Converts the object to a raw pointer

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

Converts the object to a mutable raw pointer

fn len(&self) -> usize

Returns the length of the object as an array

fn is_empty(&self) -> bool

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

impl Uint256

fn low_u32(&self) -> u32

Conversion to u32

fn bits(&self) -> usize

Return the least number of bits needed to represent the number

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

Multiplication by u32

impl Uint256

fn increment(&mut self)

Increment by 1

fn low_128(&self) -> Uint128

Decay to a uint128

Trait Implementations

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

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

Performs the conversion.

impl Index<usize> for Uint256

type Output = u64

The returned type after indexing.

fn index(&self, index: usize) -> &u64

Performs the indexing (container[index]) operation.

impl Index<Range<usize>> for Uint256

type Output = [u64]

The returned type after indexing.

fn index(&self, index: Range<usize>) -> &[u64]

Performs the indexing (container[index]) operation.

impl Index<RangeTo<usize>> for Uint256

type Output = [u64]

The returned type after indexing.

fn index(&self, index: RangeTo<usize>) -> &[u64]

Performs the indexing (container[index]) operation.

impl Index<RangeFrom<usize>> for Uint256

type Output = [u64]

The returned type after indexing.

fn index(&self, index: RangeFrom<usize>) -> &[u64]

Performs the indexing (container[index]) operation.

impl Index<RangeFull> for Uint256

type Output = [u64]

The returned type after indexing.

fn index(&self, _: RangeFull) -> &[u64]

Performs the indexing (container[index]) operation.

impl PartialEq for Uint256

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

This method tests for self and other values to be equal, and is used by ==.

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

This method tests for !=.

impl Eq for Uint256

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

This method tests less than (for self and other) and is used by the < operator.

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

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

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

This method tests greater than (for self and other) and is used by the > operator.

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

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

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

Compares and returns the maximum of two values.

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

Compares and returns the minimum of two values.

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 Copy for Uint256

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: &[Uint256], state: &mut H) where
    H: Hasher, 

Feeds a slice of this type into the given [Hasher].

impl Rand for Uint256

fn rand<R: Rng>(r: &mut R) -> Uint256

Generates a random instance of this type using the specified source of randomness.

impl FromPrimitive for Uint256

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

Convert an u64 to return an optional value of this type. If the type cannot be represented by this value, the None is returned.

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

Convert an i64 to return an optional value of this type. If the type cannot be represented by this value, the None is returned.

fn from_isize(n: isize) -> Option<Self>

Convert an isize to return an optional value of this type. If the value cannot be represented by this value, the None is returned.

fn from_i8(n: i8) -> Option<Self>

Convert an i8 to return an optional value of this type. If the type cannot be represented by this value, the None is returned.

fn from_i16(n: i16) -> Option<Self>

Convert an i16 to return an optional value of this type. If the type cannot be represented by this value, the None is returned.

fn from_i32(n: i32) -> Option<Self>

Convert an i32 to return an optional value of this type. If the type cannot be represented by this value, the None is returned.

fn from_usize(n: usize) -> Option<Self>

Convert a usize to return an optional value of this type. If the type cannot be represented by this value, the None is returned.

fn from_u8(n: u8) -> Option<Self>

Convert an u8 to return an optional value of this type. If the type cannot be represented by this value, the None is returned.

fn from_u16(n: u16) -> Option<Self>

Convert an u16 to return an optional value of this type. If the type cannot be represented by this value, the None is returned.

fn from_u32(n: u32) -> Option<Self>

Convert an u32 to return an optional value of this type. If the type cannot be represented by this value, the None is returned.

fn from_f32(n: f32) -> Option<Self>

Convert a f32 to return an optional value of this type. If the type cannot be represented by this value, the None is returned.

fn from_f64(n: f64) -> Option<Self>

Convert a f64 to return an optional value of this type. If the type cannot be represented by this value, the None is returned.

impl Zero for Uint256

fn zero() -> Uint256

Returns the additive identity element of Self, 0.

fn is_zero(&self) -> bool

Returns true if self is equal to the additive identity.

impl One for Uint256

fn one() -> Uint256

Returns the multiplicative identity element of Self, 1.

impl Add<Uint256> for Uint256

type Output = Uint256

The resulting type after applying the + operator.

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

Performs the + operation.

impl Sub<Uint256> for Uint256

type Output = Uint256

The resulting type after applying the - operator.

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

Performs the - operation.

impl Mul<Uint256> for Uint256

type Output = Uint256

The resulting type after applying the * operator.

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

Performs the * operation.

impl Div<Uint256> for Uint256

type Output = Uint256

The resulting type after applying the / operator.

fn div(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

impl BitAnd<Uint256> for Uint256

type Output = Uint256

The resulting type after applying the & operator.

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

Performs the & operation.

impl BitXor<Uint256> for Uint256

type Output = Uint256

The resulting type after applying the ^ operator.

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

Performs the ^ operation.

impl BitOr<Uint256> for Uint256

type Output = Uint256

The resulting type after applying the | operator.

fn bitor(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 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 Debug for Uint256

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

Formats the value using the given formatter.

impl<S: SimpleEncoder> ConsensusEncodable<S> for Uint256

fn consensus_encode(&self, s: &mut S) -> Result<(), S::Error>

Encode an object with a well-defined format

impl<D: SimpleDecoder> ConsensusDecodable<D> for Uint256

fn consensus_decode(d: &mut D) -> Result<Uint256, D::Error>

Decode an object with a well-defined format