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

Little-endian large integer type

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§0: [u64; 4]

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impl Uint256

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

Converts the object to a raw pointer

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

Converts the object to a mutable raw pointer

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pub fn len(&self) -> usize

Returns the length of the object as an array

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pub fn is_empty(&self) -> bool

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

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

Returns the underlying bytes.

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

Returns the underlying bytes.

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

Returns the underlying bytes.

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impl Uint256

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pub fn low_u32(&self) -> u32

Conversion to u32

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pub fn low_u64(&self) -> u64

Conversion to u64

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pub fn bits(&self) -> usize

Return the least number of bits needed to represent the number

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

Multiplication by u32

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

Create an object from a given unsigned 64-bit integer

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

Create an object from a given signed 64-bit integer

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

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

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

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

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

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

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pub fn increment(&mut self)

Increment by 1

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impl Uint256

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pub fn low_128(&self) -> Uint128

Decay to a uint128

Trait Implementations§

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impl Add for Uint256

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type Output = Uint256

The resulting type after applying the + operator.
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fn add(self, other: Uint256) -> Uint256

Performs the + operation. Read more
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impl BitAnd for Uint256

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type Output = Uint256

The resulting type after applying the & operator.
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fn bitand(self, other: Uint256) -> Uint256

Performs the & operation. Read more
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impl BitArray for Uint256

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

Is bit set?
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fn bit_slice(&self, start: usize, end: usize) -> Uint256

Returns an array which is just the bits from start to end
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fn mask(&self, n: usize) -> Uint256

Bitwise and with n ones
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fn trailing_zeros(&self) -> usize

Trailing zeros
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fn zero() -> Uint256

Create all-zeros value
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fn one() -> Uint256

Create value representing one
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impl BitOr for Uint256

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type Output = Uint256

The resulting type after applying the | operator.
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fn bitor(self, other: Uint256) -> Uint256

Performs the | operation. Read more
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impl BitXor for Uint256

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type Output = Uint256

The resulting type after applying the ^ operator.
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fn bitxor(self, other: Uint256) -> Uint256

Performs the ^ operation. Read more
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impl Clone for Uint256

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fn clone(&self) -> Uint256

Returns a copy of the value. Read more
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fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source. Read more
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impl Debug for Uint256

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

Formats the value using the given formatter. Read more
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impl Decodable for Uint256

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

Decode an object with a well-defined format
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impl Default for Uint256

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fn default() -> Uint256

Returns the “default value” for a type. Read more
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impl<'de> Deserialize<'de> for Uint256

Available on crate feature serde only.
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fn deserialize<D: Deserializer<'de>>(deserializer: D) -> Result<Self, D::Error>

Deserialize this value from the given Serde deserializer. Read more
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impl Display for Uint256

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

Formats the value using the given formatter. Read more
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impl Div for Uint256

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type Output = Uint256

The resulting type after applying the / operator.
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fn div(self, other: Uint256) -> Uint256

Performs the / operation. Read more
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impl Encodable for Uint256

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

Encode an object with a well-defined format. Returns the number of bytes written on success. Read more
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impl<'a> From<&'a [u64]> for Uint256

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

Converts to this type from the input type.
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impl Hash for Uint256

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

Feeds this value into the given Hasher. Read more
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fn hash_slice<H>(data: &[Self], state: &mut H)
where H: Hasher, Self: Sized,

Feeds a slice of this type into the given Hasher. Read more
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impl<I> Index<I> for Uint256
where [u64]: Index<I>,

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

The returned type after indexing.
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fn index(&self, index: I) -> &Self::Output

Performs the indexing (container[index]) operation. Read more
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impl Mul for Uint256

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type Output = Uint256

The resulting type after applying the * operator.
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fn mul(self, other: Uint256) -> Uint256

Performs the * operation. Read more
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impl Not for Uint256

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type Output = Uint256

The resulting type after applying the ! operator.
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fn not(self) -> Uint256

Performs the unary ! operation. Read more
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impl Ord for Uint256

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

This method returns an Ordering between self and other. Read more
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fn max(self, other: Self) -> Self
where Self: Sized,

Compares and returns the maximum of two values. Read more
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fn min(self, other: Self) -> Self
where Self: Sized,

Compares and returns the minimum of two values. Read more
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fn clamp(self, min: Self, max: Self) -> Self
where Self: Sized + PartialOrd,

Restrict a value to a certain interval. Read more
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impl PartialEq for Uint256

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

This method tests for self and other values to be equal, and is used by ==.
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fn ne(&self, other: &Rhs) -> bool

This method tests for !=. The default implementation is almost always sufficient, and should not be overridden without very good reason.
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impl PartialOrd for Uint256

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

This method returns an ordering between self and other values if one exists. Read more
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fn lt(&self, other: &Rhs) -> bool

This method tests less than (for self and other) and is used by the < operator. Read more
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fn le(&self, other: &Rhs) -> bool

This method tests less than or equal to (for self and other) and is used by the <= operator. Read more
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fn gt(&self, other: &Rhs) -> bool

This method tests greater than (for self and other) and is used by the > operator. Read more
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fn ge(&self, other: &Rhs) -> bool

This method tests greater than or equal to (for self and other) and is used by the >= operator. Read more
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impl Rem for Uint256

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type Output = Uint256

The resulting type after applying the % operator.
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fn rem(self, other: Uint256) -> Uint256

Performs the % operation. Read more
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impl Serialize for Uint256

Available on crate feature serde only.
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fn serialize<S>(&self, serializer: S) -> Result<S::Ok, S::Error>
where S: Serializer,

Serialize this value into the given Serde serializer. Read more
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impl Shl<usize> for Uint256

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type Output = Uint256

The resulting type after applying the << operator.
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fn shl(self, shift: usize) -> Uint256

Performs the << operation. Read more
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impl Shr<usize> for Uint256

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type Output = Uint256

The resulting type after applying the >> operator.
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fn shr(self, shift: usize) -> Uint256

Performs the >> operation. Read more
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impl Sub for Uint256

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type Output = Uint256

The resulting type after applying the - operator.
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fn sub(self, other: Uint256) -> Uint256

Performs the - operation. Read more
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impl Copy for Uint256

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impl Eq for Uint256

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impl StructuralEq for Uint256

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impl StructuralPartialEq for Uint256

Auto Trait Implementations§

Blanket Implementations§

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impl<T> Any for T
where T: 'static + ?Sized,

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fn type_id(&self) -> TypeId

Gets the TypeId of self. Read more
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impl<T> Borrow<T> for T
where T: ?Sized,

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fn borrow(&self) -> &T

Immutably borrows from an owned value. Read more
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impl<T> BorrowMut<T> for T
where T: ?Sized,

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fn borrow_mut(&mut self) -> &mut T

Mutably borrows from an owned value. Read more
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impl<T> From<T> for T

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fn from(t: T) -> T

Returns the argument unchanged.

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impl<T, U> Into<U> for T
where U: From<T>,

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fn into(self) -> U

Calls U::from(self).

That is, this conversion is whatever the implementation of From<T> for U chooses to do.

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impl<T> ToOwned for T
where T: Clone,

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type Owned = T

The resulting type after obtaining ownership.
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fn to_owned(&self) -> T

Creates owned data from borrowed data, usually by cloning. Read more
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fn clone_into(&self, target: &mut T)

Uses borrowed data to replace owned data, usually by cloning. Read more
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impl<T> ToString for T
where T: Display + ?Sized,

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default fn to_string(&self) -> String

Converts the given value to a String. Read more
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impl<T, U> TryFrom<U> for T
where U: Into<T>,

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type Error = Infallible

The type returned in the event of a conversion error.
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fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>

Performs the conversion.
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impl<T, U> TryInto<U> for T
where U: TryFrom<T>,

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type Error = <U as TryFrom<T>>::Error

The type returned in the event of a conversion error.
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fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>

Performs the conversion.
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impl<V, T> VZip<V> for T
where V: MultiLane<T>,

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fn vzip(self) -> V

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impl<T> DeserializeOwned for T
where T: for<'de> Deserialize<'de>,