Struct arrow_buffer::i256

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pub struct i256 { /* private fields */ }
Expand description

A signed 256-bit integer

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impl i256

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pub const ZERO: Self = _

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

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pub const ONE: Self = _

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

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pub const MINUS_ONE: Self = _

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

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pub const MAX: Self = _

The maximum value that can be represented by this integer type

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pub const MIN: Self = _

The minimum value that can be represented by this integer type

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

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

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

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

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pub const fn from_i128(v: i128) -> Self

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pub fn from_string(value_str: &str) -> Option<Self>

Create an integer value from its representation as string.

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pub fn from_f64(v: f64) -> Option<Self>

Create an optional i256 from the provided f64. Returning None if overflow occurred

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

Create an i256 from the provided low u128 and high i128

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

Returns this i256 as a low u128 and high i128

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

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

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pub fn as_i128(self) -> i128

Wraps this i256 into an i128

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

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

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

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

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pub fn wrapping_abs(self) -> Self

Computes the absolute value of this i256

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

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

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pub fn wrapping_neg(self) -> Self

Negates this i256

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

Negates this i256 returning None if Self == Self::MIN

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

Performs wrapping addition

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

Performs checked addition

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

Performs wrapping subtraction

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

Performs checked subtraction

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

Performs wrapping multiplication

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

Performs checked multiplication

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

Performs wrapping division

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

Performs checked division

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

Performs wrapping remainder

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

Performs checked remainder

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pub fn checked_pow(self, exp: u32) -> Option<Self>

Performs checked exponentiation

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pub fn wrapping_pow(self, exp: u32) -> Self

Performs wrapping exponentiation

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pub const fn signum(self) -> Self

Returns a number i256 representing sign of this i256.

0 if the number is zero 1 if the number is positive -1 if the number is negative

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pub const fn is_negative(self) -> bool

Returns true if this i256 is negative

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pub const fn is_positive(self) -> bool

Returns true if this i256 is positive

Trait Implementations§

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impl<'a, 'b> Add<&'b i256> for &'a i256

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type Output = i256

The resulting type after applying the + operator.
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fn add(self, rhs: &'b i256) -> Self::Output

Performs the + operation. Read more
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impl<'a> Add<&'a i256> for i256

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type Output = i256

The resulting type after applying the + operator.
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fn add(self, rhs: &'a i256) -> Self::Output

Performs the + operation. Read more
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impl<'a> Add<i256> for &'a i256

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type Output = i256

The resulting type after applying the + operator.
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fn add(self, rhs: i256) -> Self::Output

Performs the + operation. Read more
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impl Add for i256

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type Output = i256

The resulting type after applying the + operator.
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fn add(self, rhs: Self) -> Self::Output

Performs the + operation. Read more
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impl ArrowNativeType for i256

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

Convert native integer type from usize Read more
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fn as_usize(self) -> usize

Convert to usize according to the as operator
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fn usize_as(i: usize) -> Self

Convert from usize according to the as operator
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fn to_usize(self) -> Option<usize>

Convert native type to usize. Read more
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fn to_isize(self) -> Option<isize>

Convert native type to isize. Read more
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fn from_i32(_: i32) -> Option<Self>

👎Deprecated: please use Option::Some instead
Convert native type from i32. Read more
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fn from_i64(_: i64) -> Option<Self>

👎Deprecated: please use Option::Some instead
Convert native type from i64. Read more
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fn from_i128(_: i128) -> Option<Self>

👎Deprecated: please use Option::Some instead
Convert native type from i128. Read more
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impl AsPrimitive<i256> for i16

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fn as_(self) -> i256

Convert a value to another, using the as operator.
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impl AsPrimitive<i256> for i32

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fn as_(self) -> i256

Convert a value to another, using the as operator.
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impl AsPrimitive<i256> for i64

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fn as_(self) -> i256

Convert a value to another, using the as operator.
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impl AsPrimitive<i256> for i8

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fn as_(self) -> i256

Convert a value to another, using the as operator.
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impl AsPrimitive<i256> for u16

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fn as_(self) -> i256

Convert a value to another, using the as operator.
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impl AsPrimitive<i256> for u32

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fn as_(self) -> i256

Convert a value to another, using the as operator.
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impl AsPrimitive<i256> for u64

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fn as_(self) -> i256

Convert a value to another, using the as operator.
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impl AsPrimitive<i256> for u8

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fn as_(self) -> i256

Convert a value to another, using the as operator.
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impl BitAnd for i256

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type Output = i256

The resulting type after applying the & operator.
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fn bitand(self, rhs: Self) -> Self::Output

Performs the & operation. Read more
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impl BitOr for i256

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type Output = i256

The resulting type after applying the | operator.
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fn bitor(self, rhs: Self) -> Self::Output

Performs the | operation. Read more
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impl BitXor for i256

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type Output = i256

The resulting type after applying the ^ operator.
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fn bitxor(self, rhs: Self) -> Self::Output

Performs the ^ operation. Read more
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impl Clone for i256

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fn clone(&self) -> i256

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 i256

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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 Default for i256

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fn default() -> i256

Returns the “default value” for a type. Read more
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impl Display for i256

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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<'a, 'b> Div<&'b i256> for &'a i256

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type Output = i256

The resulting type after applying the / operator.
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fn div(self, rhs: &'b i256) -> Self::Output

Performs the / operation. Read more
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impl<'a> Div<&'a i256> for i256

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type Output = i256

The resulting type after applying the / operator.
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fn div(self, rhs: &'a i256) -> Self::Output

Performs the / operation. Read more
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impl<'a> Div<i256> for &'a i256

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type Output = i256

The resulting type after applying the / operator.
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fn div(self, rhs: i256) -> Self::Output

Performs the / operation. Read more
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impl Div for i256

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type Output = i256

The resulting type after applying the / operator.
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fn div(self, rhs: Self) -> Self::Output

Performs the / operation. Read more
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impl From<i16> for i256

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fn from(value: i16) -> Self

Converts to this type from the input type.
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impl From<i32> for i256

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fn from(value: i32) -> Self

Converts to this type from the input type.
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impl From<i64> for i256

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fn from(value: i64) -> Self

Converts to this type from the input type.
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impl From<i8> for i256

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fn from(value: i8) -> Self

Converts to this type from the input type.
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impl FromStr for i256

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type Err = ParseI256Error

The associated error which can be returned from parsing.
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fn from_str(s: &str) -> Result<Self, Self::Err>

Parses a string s to return a value of this type. Read more
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impl Hash for i256

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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<'a, 'b> Mul<&'b i256> for &'a i256

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type Output = i256

The resulting type after applying the * operator.
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fn mul(self, rhs: &'b i256) -> Self::Output

Performs the * operation. Read more
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impl<'a> Mul<&'a i256> for i256

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type Output = i256

The resulting type after applying the * operator.
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fn mul(self, rhs: &'a i256) -> Self::Output

Performs the * operation. Read more
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impl<'a> Mul<i256> for &'a i256

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type Output = i256

The resulting type after applying the * operator.
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fn mul(self, rhs: i256) -> Self::Output

Performs the * operation. Read more
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impl Mul for i256

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type Output = i256

The resulting type after applying the * operator.
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fn mul(self, rhs: Self) -> Self::Output

Performs the * operation. Read more
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impl Neg for i256

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type Output = i256

The resulting type after applying the - operator.
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fn neg(self) -> Self::Output

Performs the unary - operation. Read more
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impl Ord for i256

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fn cmp(&self, other: &Self) -> 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 i256

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

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

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 i256

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

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

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

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

Tests greater than or equal to (for self and other) and is used by the >= operator. Read more
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impl<'a, 'b> Rem<&'b i256> for &'a i256

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type Output = i256

The resulting type after applying the % operator.
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fn rem(self, rhs: &'b i256) -> Self::Output

Performs the % operation. Read more
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impl<'a> Rem<&'a i256> for i256

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type Output = i256

The resulting type after applying the % operator.
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fn rem(self, rhs: &'a i256) -> Self::Output

Performs the % operation. Read more
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impl<'a> Rem<i256> for &'a i256

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type Output = i256

The resulting type after applying the % operator.
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fn rem(self, rhs: i256) -> Self::Output

Performs the % operation. Read more
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impl Rem for i256

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type Output = i256

The resulting type after applying the % operator.
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fn rem(self, rhs: Self) -> Self::Output

Performs the % operation. Read more
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impl Shl<u8> for i256

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type Output = i256

The resulting type after applying the << operator.
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fn shl(self, rhs: u8) -> Self::Output

Performs the << operation. Read more
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impl Shr<u8> for i256

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type Output = i256

The resulting type after applying the >> operator.
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fn shr(self, rhs: u8) -> Self::Output

Performs the >> operation. Read more
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impl<'a, 'b> Sub<&'b i256> for &'a i256

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type Output = i256

The resulting type after applying the - operator.
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fn sub(self, rhs: &'b i256) -> Self::Output

Performs the - operation. Read more
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impl<'a> Sub<&'a i256> for i256

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type Output = i256

The resulting type after applying the - operator.
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fn sub(self, rhs: &'a i256) -> Self::Output

Performs the - operation. Read more
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impl<'a> Sub<i256> for &'a i256

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type Output = i256

The resulting type after applying the - operator.
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fn sub(self, rhs: i256) -> Self::Output

Performs the - operation. Read more
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impl Sub for i256

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type Output = i256

The resulting type after applying the - operator.
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fn sub(self, rhs: Self) -> Self::Output

Performs the - operation. Read more
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impl ToPrimitive for i256

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fn to_i64(&self) -> Option<i64>

Converts the value of self to an i64. If the value cannot be represented by an i64, then None is returned.
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fn to_u64(&self) -> Option<u64>

Converts the value of self to a u64. If the value cannot be represented by a u64, then None is returned.
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fn to_isize(&self) -> Option<isize>

Converts the value of self to an isize. If the value cannot be represented by an isize, then None is returned.
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fn to_i8(&self) -> Option<i8>

Converts the value of self to an i8. If the value cannot be represented by an i8, then None is returned.
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fn to_i16(&self) -> Option<i16>

Converts the value of self to an i16. If the value cannot be represented by an i16, then None is returned.
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fn to_i32(&self) -> Option<i32>

Converts the value of self to an i32. If the value cannot be represented by an i32, then None is returned.
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fn to_i128(&self) -> Option<i128>

Converts the value of self to an i128. If the value cannot be represented by an i128 (i64 under the default implementation), then None is returned. Read more
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fn to_usize(&self) -> Option<usize>

Converts the value of self to a usize. If the value cannot be represented by a usize, then None is returned.
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fn to_u8(&self) -> Option<u8>

Converts the value of self to a u8. If the value cannot be represented by a u8, then None is returned.
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fn to_u16(&self) -> Option<u16>

Converts the value of self to a u16. If the value cannot be represented by a u16, then None is returned.
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fn to_u32(&self) -> Option<u32>

Converts the value of self to a u32. If the value cannot be represented by a u32, then None is returned.
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fn to_u128(&self) -> Option<u128>

Converts the value of self to a u128. If the value cannot be represented by a u128 (u64 under the default implementation), then None is returned. Read more
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fn to_f32(&self) -> Option<f32>

Converts the value of self to an f32. Overflows may map to positive or negative inifinity, otherwise None is returned if the value cannot be represented by an f32.
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fn to_f64(&self) -> Option<f64>

Converts the value of self to an f64. Overflows may map to positive or negative inifinity, otherwise None is returned if the value cannot be represented by an f64. Read more
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impl Copy for i256

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impl Eq for i256

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impl StructuralPartialEq for i256

Auto Trait Implementations§

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impl Freeze for i256

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impl RefUnwindSafe for i256

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impl Send for i256

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impl Sync for i256

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impl Unpin for i256

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impl UnwindSafe for i256

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> CloneToUninit for T
where T: Clone,

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default unsafe fn clone_to_uninit(&self, dst: *mut T)

🔬This is a nightly-only experimental API. (clone_to_uninit)
Performs copy-assignment from self to dst. Read more
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impl<T> CloneToUninit for T
where T: Copy,

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unsafe fn clone_to_uninit(&self, dst: *mut T)

🔬This is a nightly-only experimental API. (clone_to_uninit)
Performs copy-assignment from self to dst. 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> ToByteSlice for T
where T: ArrowNativeType,

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fn to_byte_slice(&self) -> &[u8]

Converts this instance into a byte slice
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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<T> Allocation for T
where T: RefUnwindSafe + Send + Sync,

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impl<T, Rhs, Output> NumOps<Rhs, Output> for T
where T: Sub<Rhs, Output = Output> + Mul<Rhs, Output = Output> + Div<Rhs, Output = Output> + Add<Rhs, Output = Output> + Rem<Rhs, Output = Output>,

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impl<T, Base> RefNum<Base> for T
where T: NumOps<Base, Base> + for<'r> NumOps<&'r Base, Base>,