Struct arrow_buffer::i256

pub struct i256 { /* private fields */ }

A signed 256-bit integer

Implementations

impl i256

pub const ZERO: Self = _

The additive identity for this integer type, i.e. 0.

pub const ONE: Self = _

The multiplicative identity for this integer type, i.e. 1.

pub const MINUS_ONE: Self = _

The multiplicative inverse for this integer type, i.e. -1.

pub const MAX: Self = _

The maximum value that can be represented by this integer type

pub const MIN: Self = _

The minimum value that can be represented by this integer type

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

Create an integer value from its representation as a byte array in little-endian.

pub fn from_i128(v: i128) -> Self

pub fn from_parts(low: u128, high: i128) -> Self

Create an i256 from the provided low u128 and high i128

pub fn to_parts(self) -> (u128, i128)

Returns this i256 as a low u128 and high i128

pub fn to_i128(self) -> Option<i128>

Converts this i256 into an i128 returning None if this would result in truncation/overflow

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

Return the memory representation of this integer as a byte array in little-endian byte order.

pub fn wrapping_abs(self) -> Self

Computes the absolute value of this i256

pub fn checked_abs(self) -> Option<Self>

Computes the absolute value of this i256 returning None if Self == Self::MIN

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

Performs wrapping addition

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

Performs checked addition

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

Performs wrapping subtraction

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

Performs checked subtraction

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

Performs wrapping multiplication

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

Performs checked multiplication

pub fn wrapping_div(self, other: Self) -> Self

Performs wrapping division

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

Performs checked division

pub fn wrapping_rem(self, other: Self) -> Self

Performs wrapping remainder

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

Performs checked remainder

Trait Implementations

impl ArrowNativeType for i256

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

Convert native integer type from usize

fn as_usize(self) -> usize

Convert to usize according to the as operator

fn to_usize(self) -> Option<usize>

Convert native type to usize.

fn to_isize(self) -> Option<isize>

Convert native type to isize.

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

👎Deprecated: please use Option::Some instead

Convert native type from i32.

fn from_i64(_: i64) -> Option<Self>

👎Deprecated: please use Option::Some instead

Convert native type from i64.

fn from_i128(_: i128) -> Option<Self>

👎Deprecated: please use Option::Some instead

Convert native type from i128.

impl Clone for i256

fn clone(&self) -> i256

Returns a copy of the value.

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

Performs copy-assignment from source.

impl Debug for i256

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

Formats the value using the given formatter.

impl Default for i256

fn default() -> i256

Returns the “default value” for a type.

impl Display for i256

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

Formats the value using the given formatter.

impl Hash for i256

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,

Feeds a slice of this type into the given Hasher.

impl Ord for i256

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

This method returns an Ordering between self and other.

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

Compares and returns the maximum of two values.

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

Compares and returns the minimum of two values.

const fn clamp(self, min: Self, max: Self) -> Selfwhere
    Self: PartialOrd<Self>,

Restrict a value to a certain interval.

impl PartialEq<i256> for i256

fn eq(&self, other: &i256) -> bool

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

const 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.

impl PartialOrd<i256> for i256

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

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

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

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

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

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

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

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

const 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 Copy for i256

impl Eq for i256

impl StructuralEq for i256

impl StructuralPartialEq for i256