risingwave_common::types::num256

Struct Int256

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pub struct Int256(pub(crate) Box<i256>);
Expand description

A 256-bit signed integer.

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§0: Box<i256>

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impl Int256

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pub fn min_value() -> Self

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pub fn max_value() -> Self

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pub fn into_inner(self) -> i256

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pub const fn size() -> usize

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pub fn array_type() -> ArrayType

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pub fn from_ne_bytes(bytes: [u8; 32]) -> Self

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

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

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pub fn from_protobuf(input: &mut impl Read) -> ArrayResult<Self>

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impl Int256

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pub fn from_binary(input: &[u8]) -> ArrayResult<Self>

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impl Int256

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impl Int256

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pub const MEMCMP_ENCODED_SIZE: usize = 32usize

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pub fn memcmp_deserialize( deserializer: &mut Deserializer<impl Buf>, ) -> Result<Self>

Trait Implementations§

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impl Add for Int256

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type Output = Int256

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 CheckedAdd for Int256

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

Adds two numbers, checking for overflow. If overflow happens, None is returned.
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impl CheckedDiv for Int256

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

Divides two numbers, checking for underflow, overflow and division by zero. If any of that happens, None is returned.
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impl CheckedMul for Int256

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

Multiplies two numbers, checking for underflow or overflow. If underflow or overflow happens, None is returned.
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impl CheckedNeg for Int256

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

Negates a number, returning None for results that can’t be represented, like signed MIN values that can’t be positive, or non-zero unsigned values that can’t be negative. Read more
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impl CheckedRem for Int256

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

Finds the remainder of dividing two numbers, checking for underflow, overflow and division by zero. If any of that happens, None is returned. Read more
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impl CheckedSub for Int256

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

Subtracts two numbers, checking for underflow. If underflow happens, None is returned.
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impl Clone for Int256

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fn clone(&self) -> Int256

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 Int256

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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 Int256

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fn default() -> Int256

Returns the “default value” for a type. Read more
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impl Div for Int256

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type Output = Int256

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 EstimateSize for Int256

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fn estimated_heap_size(&self) -> usize

The estimated heap size of the current struct in bytes.
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fn estimated_size(&self) -> usize
where Self: Sized,

The estimated total size of the current struct in bytes, including the estimated_heap_size and the size of Self.
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impl From<I256> for Int256

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fn from(value: i256) -> Self

Converts to this type from the input type.
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impl From<Int256> for ScalarImpl

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fn from(val: Int256) -> Self

Converts to this type from the input type.
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impl From<Int256Ref<'_>> for Int256

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fn from(value: Int256Ref<'_>) -> Self

Converts to this type from the input type.
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impl From<i16> for Int256

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fn from(value: i16) -> Self

Converts to this type from the input type.
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impl From<i256> for Int256

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fn from(value: i256) -> Self

Converts to this type from the input type.
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impl From<i256> for Int256

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fn from(value: i256) -> Self

Converts to this type from the input type.
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impl From<i32> for Int256

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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 Int256

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fn from(value: i64) -> Self

Converts to this type from the input type.
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impl FromIterator<Int256> for Int256Array

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fn from_iter<I: IntoIterator<Item = Int256>>(iter: I) -> Self

Creates a value from an iterator. Read more
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impl FromStr for Int256

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type Err = ParseIntError

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 Int256

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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 HashKeyDe for Int256

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fn deserialize(_data_type: &DataType, buf: impl Buf) -> Self

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impl Mul for Int256

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type Output = Int256

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 Int256

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type Output = Int256

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 Num for Int256

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type FromStrRadixErr = ParseIntError

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fn from_str_radix(str: &str, radix: u32) -> Result<Self, Self::FromStrRadixErr>

Convert from a string and radix (typically 2..=36). Read more
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impl One for Int256

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fn one() -> Self

Returns the multiplicative identity element of Self, 1. Read more
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fn set_one(&mut self)

Sets self to the multiplicative identity element of Self, 1.
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fn is_one(&self) -> bool
where Self: PartialEq,

Returns true if self is equal to the multiplicative identity. Read more
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impl Ord for Int256

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fn cmp(&self, other: &Int256) -> 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,

Restrict a value to a certain interval. Read more
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impl PartialEq for Int256

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fn eq(&self, other: &Int256) -> 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 Int256

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fn partial_cmp(&self, other: &Int256) -> 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 RandValue for Int256

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fn rand_value<R: Rng>(rand: &mut R) -> Self

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impl Rem for Int256

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type Output = Int256

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 Scalar for Int256

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type ScalarRefType<'a> = Int256Ref<'a>

Type for reference of Scalar
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fn as_scalar_ref(&self) -> Self::ScalarRefType<'_>

Get a reference to current scalar.
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fn to_scalar_value(self) -> ScalarImpl

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impl Sub for Int256

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type Output = Int256

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 TryFrom<ScalarImpl> for Int256

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type Error = ArrayError

The type returned in the event of a conversion error.
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fn try_from(val: ScalarImpl) -> ArrayResult<Self>

Performs the conversion.
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impl<'a> WithDataType for &'a Int256

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fn default_data_type() -> DataType

Returns the most obvious DataType for the rust type.
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impl<'a> WithDataType for &'a mut Int256

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fn default_data_type() -> DataType

Returns the most obvious DataType for the rust type.
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impl WithDataType for Box<Int256>

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fn default_data_type() -> DataType

Returns the most obvious DataType for the rust type.
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impl WithDataType for Int256

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fn default_data_type() -> DataType

Returns the most obvious DataType for the rust type.
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impl Zero for Int256

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fn zero() -> Self

Returns the additive identity element of Self, 0. Read more
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fn is_zero(&self) -> bool

Returns true if self is equal to the additive identity.
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fn set_zero(&mut self)

Sets self to the additive identity element of Self, 0.
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impl Eq for Int256

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impl StructuralPartialEq for Int256

Auto Trait Implementations§

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impl Freeze for Int256

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impl RefUnwindSafe for Int256

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impl Send for Int256

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impl Sync for Int256

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impl Unpin for Int256

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impl UnwindSafe for Int256

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> CheckedAdd for T
where T: CheckedAdd,

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type Output = T

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fn checked_add(self, rhs: T) -> Option<T>

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

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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<Q, K> Comparable<K> for Q
where Q: Ord + ?Sized, K: Borrow<Q> + ?Sized,

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fn compare(&self, key: &K) -> Ordering

Compare self to key and return their ordering.
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impl<Q, K> Equivalent<K> for Q
where Q: Eq + ?Sized, K: Borrow<Q> + ?Sized,

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fn equivalent(&self, key: &K) -> bool

Checks if this value is equivalent to the given key. Read more
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impl<Q, K> Equivalent<K> for Q
where Q: Eq + ?Sized, K: Borrow<Q> + ?Sized,

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fn equivalent(&self, key: &K) -> bool

Compare self to key and return true if they are equal.
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impl<Q, K> Equivalent<K> for Q
where Q: Eq + ?Sized, K: Borrow<Q> + ?Sized,

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fn equivalent(&self, key: &K) -> bool

Compare self to key and return true if they are equal.
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impl<Q, K> Equivalent<K> for Q
where Q: Eq + ?Sized, K: Borrow<Q> + ?Sized,

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fn equivalent(&self, key: &K) -> bool

Checks if this value is equivalent to the given key. Read more
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impl<Q, K> Equivalent<K> for Q
where Q: Eq + ?Sized, K: Borrow<Q> + ?Sized,

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fn equivalent(&self, key: &K) -> bool

Checks if this value is equivalent to the given key. 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> FromRef<T> for T
where T: Clone,

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fn from_ref(input: &T) -> T

Converts to this type from a reference to the input type.
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impl<T> FutureExt for T

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fn with_context(self, otel_cx: Context) -> WithContext<Self>

Attaches the provided Context to this type, returning a WithContext wrapper. Read more
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fn with_current_context(self) -> WithContext<Self>

Attaches the current Context to this type, returning a WithContext wrapper. Read more
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impl<T> Instrument for T

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fn instrument(self, span: Span) -> Instrumented<Self>

Instruments this type with the provided [Span], returning an Instrumented wrapper. Read more
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fn in_current_span(self) -> Instrumented<Self>

Instruments this type with the current Span, returning an Instrumented wrapper. Read more
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impl<T> Instrument for T

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fn instrument(self, span: Span) -> Instrumented<Self>

Instruments this type with the provided Span, returning an Instrumented wrapper. Read more
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fn in_current_span(self) -> Instrumented<Self>

Instruments this type with the current Span, returning an Instrumented wrapper. Read more
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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> IntoEither for T

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fn into_either(self, into_left: bool) -> Either<Self, Self>

Converts self into a Left variant of Either<Self, Self> if into_left is true. Converts self into a Right variant of Either<Self, Self> otherwise. Read more
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fn into_either_with<F>(self, into_left: F) -> Either<Self, Self>
where F: FnOnce(&Self) -> bool,

Converts self into a Left variant of Either<Self, Self> if into_left(&self) returns true. Converts self into a Right variant of Either<Self, Self> otherwise. Read more
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impl<T> IntoRequest<T> for T

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fn into_request(self) -> Request<T>

Wrap the input message T in a tonic::Request
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impl<T> IntoResult<T> for T

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type Err = Infallible

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fn into_result(self) -> Result<T, <T as IntoResult<T>>::Err>

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impl<T> IsNegative for T
where T: Zero + Ord,

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impl<M> MetricVecRelabelExt for M

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fn relabel( self, metric_level: MetricLevel, relabel_threshold: MetricLevel, ) -> RelabeledMetricVec<M>

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fn relabel_n( self, metric_level: MetricLevel, relabel_threshold: MetricLevel, relabel_num: usize, ) -> RelabeledMetricVec<M>

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fn relabel_debug_1( self, relabel_threshold: MetricLevel, ) -> RelabeledMetricVec<M>

Equivalent to RelabeledMetricVec::with_metric_level_relabel_n with metric_level set to MetricLevel::Debug and relabel_num set to 1.
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impl<T> Pointable for T

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const ALIGN: usize = _

The alignment of pointer.
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type Init = T

The type for initializers.
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unsafe fn init(init: <T as Pointable>::Init) -> usize

Initializes a with the given initializer. Read more
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unsafe fn deref<'a>(ptr: usize) -> &'a T

Dereferences the given pointer. Read more
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unsafe fn deref_mut<'a>(ptr: usize) -> &'a mut T

Mutably dereferences the given pointer. Read more
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unsafe fn drop(ptr: usize)

Drops the object pointed to by the given pointer. Read more
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impl<T> Same for T

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type Output = T

Should always be Self
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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> ToOwnedDatum for T
where T: Into<ScalarImpl>,

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fn to_owned_datum(self) -> Option<ScalarImpl>

Convert the datum to an owned Datum.
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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> WithSubscriber for T

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fn with_subscriber<S>(self, subscriber: S) -> WithDispatch<Self>
where S: Into<Dispatch>,

Attaches the provided Subscriber to this type, returning a [WithDispatch] wrapper. Read more
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fn with_subscriber<S>(self, subscriber: S) -> WithDispatch<Self>
where S: Into<Dispatch>,

Attaches the provided Subscriber to this type, returning a WithDispatch wrapper. Read more
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Attaches the current default Subscriber to this type, returning a WithDispatch wrapper. Read more
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impl<T> Allocation for T
where T: RefUnwindSafe + Send + Sync,

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impl<T> Allocation for T
where T: RefUnwindSafe + Send + Sync,

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impl<T> DevConfig for T
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impl<T> Key for T
where T: Send + Sync + 'static + Hash + Eq,

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impl<M> Measure for M
where M: Debug + PartialOrd + Add<Output = M> + Default + Clone,

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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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where T: Send + Sync + 'static,