Struct rustc_trait_selection::infer::canonical::ir::IntVid

pub struct IntVid {
    private_use_as_methods_instead: u32,
}

An integral (u32, i32, usize, etc.) type variable ID.

Fields

private_use_as_methods_instead: u32

Implementations

impl IntVid

pub const MAX_AS_U32: u32 = 4_294_967_040u32

Maximum value the index can take, as a u32.

pub const MAX: IntVid = _

Maximum value the index can take.

pub const ZERO: IntVid = _

Zero value of the index.

pub const fn from_usize(value: usize) -> IntVid

Creates a new index from a given usize.

Panics

Will panic if value exceeds MAX.

pub const fn from_u32(value: u32) -> IntVid

Creates a new index from a given u32.

Panics

Will panic if value exceeds MAX.

pub const fn from_u16(value: u16) -> IntVid

Creates a new index from a given u16.

Panics

Will panic if value exceeds MAX.

pub const unsafe fn from_u32_unchecked(value: u32) -> IntVid

Creates a new index from a given u32.

Safety

The provided value must be less than or equal to the maximum value for the newtype. Providing a value outside this range is undefined due to layout restrictions.

Prefer using from_u32.

pub const fn index(self) -> usize

Extracts the value of this index as a usize.

pub const fn as_u32(self) -> u32

Extracts the value of this index as a u32.

pub const fn as_usize(self) -> usize

Extracts the value of this index as a usize.

Trait Implementations

impl Add<usize> for IntVid

type Output = IntVid

The resulting type after applying the + operator.

fn add(self, other: usize) -> IntVid

Performs the + operation.

impl Clone for IntVid

fn clone(&self) -> IntVid

Returns a copy of the value.

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

Performs copy-assignment from source.

impl Debug for IntVid

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

Formats the value using the given formatter.

impl<D> Decodable<D> for IntVid

where D: Decoder,

fn decode(d: &mut D) -> IntVid

impl<E> Encodable<E> for IntVid

where E: Encoder,

fn encode(&self, e: &mut E)

impl From<u32> for IntVid

fn from(value: u32) -> IntVid

Converts to this type from the input type.

impl From<usize> for IntVid

fn from(value: usize) -> IntVid

Converts to this type from the input type.

impl Hash for IntVid

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

where __H: Hasher,

Feeds this value into the given Hasher.

fn hash_slice<H>(data: &[Self], state: &mut H)

where H: Hasher, Self: Sized,

Feeds a slice of this type into the given Hasher.

impl Idx for IntVid

fn new(value: usize) -> IntVid

fn index(self) -> usize

fn increment_by(&mut self, amount: usize)

fn plus(self, amount: usize) -> Self

impl Ord for IntVid

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

This method returns an Ordering between self and other.

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

where Self: Sized,

Compares and returns the maximum of two values.

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

where Self: Sized,

Compares and returns the minimum of two values.

fn clamp(self, min: Self, max: Self) -> Self

where Self: Sized + PartialOrd,

Restrict a value to a certain interval.

impl PartialEq for IntVid

fn eq(&self, other: &IntVid) -> 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 !=. The default implementation is almost always sufficient, and should not be overridden without very good reason.

impl PartialOrd for IntVid

fn partial_cmp(&self, other: &IntVid) -> 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 Step for IntVid

fn steps_between(start: &IntVid, end: &IntVid) -> Option<usize>

🔬This is a nightly-only experimental API. (step_trait)

Returns the number of successor steps required to get from start to end.

fn forward_checked(start: IntVid, u: usize) -> Option<IntVid>

🔬This is a nightly-only experimental API. (step_trait)

Returns the value that would be obtained by taking the successor of self count times.

fn backward_checked(start: IntVid, u: usize) -> Option<IntVid>

🔬This is a nightly-only experimental API. (step_trait)

Returns the value that would be obtained by taking the predecessor of self count times.

fn forward(start: Self, count: usize) -> Self

🔬This is a nightly-only experimental API. (step_trait)

Returns the value that would be obtained by taking the successor of self count times.

unsafe fn forward_unchecked(start: Self, count: usize) -> Self

🔬This is a nightly-only experimental API. (step_trait)

Returns the value that would be obtained by taking the successor of self count times.

fn backward(start: Self, count: usize) -> Self

🔬This is a nightly-only experimental API. (step_trait)

Returns the value that would be obtained by taking the predecessor of self count times.

unsafe fn backward_unchecked(start: Self, count: usize) -> Self

🔬This is a nightly-only experimental API. (step_trait)

Returns the value that would be obtained by taking the predecessor of self count times.

impl UnifyKey for IntVid

type Value = IntVarValue

fn index(&self) -> u32

fn from_index(i: u32) -> IntVid

fn tag() -> &'static str

fn order_roots( a: Self, a_value: &Self::Value, b: Self, b_value: &Self::Value, ) -> Option<(Self, Self)>

You should return first the key that should be used as root, then the other key (that will then point to the new root).

impl Copy for IntVid

impl Eq for IntVid

impl StructuralPartialEq for IntVid

Layout

Note: Most layout information is completely unstable and may even differ between compilations. The only exception is types with certain repr(...) attributes. Please see the Rust Reference's “Type Layout” chapter for details on type layout guarantees.

Size: 4 bytes