Struct rustc::ty::sty::CanonicalVar

pub struct CanonicalVar {
    private: u32,
}

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

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Fields

private: u32

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Methods

impl CanonicalVar

pub const MAX_AS_U32: u32

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pub const MAX: CanonicalVar

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pub fn from_usize(value: usize) -> Self

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pub fn from_u32(value: u32) -> Self

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pub const fn from_u32_const(value: u32) -> Self

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Hacky variant of from_u32 for use in constants. This version checks the "max" constraint by using an invalid array dereference.

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

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pub fn index(self) -> usize

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Extract value of this index as an integer.

pub fn as_u32(self) -> u32

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Extract value of this index as a usize.

pub fn as_usize(self) -> usize

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Extract value of this index as a u32.

Trait Implementations

impl<'gcx> HashStable<StableHashingContext<'gcx>> for CanonicalVar

fn hash_stable<W: StableHasherResult>(     &self,     hcx: &mut StableHashingContext<'gcx>,     hasher: &mut StableHasher<W> )

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

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impl<'tcx> Index<CanonicalVar> for CanonicalVarValues<'tcx>

type Output = Kind<'tcx>

The returned type after indexing.

fn index(&self, value: CanonicalVar) -> &Kind<'tcx>

Performs the indexing (container[index]) operation.

impl Copy for CanonicalVar

impl Clone for CanonicalVar

fn clone(&self) -> CanonicalVar

Returns a copy of the value.

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

Performs copy-assignment from source.

impl PartialEq for CanonicalVar

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

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

fn ne(&self, other: &CanonicalVar) -> bool

This method tests for !=.

impl Eq for CanonicalVar

fn assert_receiver_is_total_eq(&self)

impl Hash for CanonicalVar

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 PartialOrd for CanonicalVar

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

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

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

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

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

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

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

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

fn ge(&self, other: &CanonicalVar) -> bool

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

impl Ord for CanonicalVar

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

This method returns an Ordering between self and other.

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

Compares and returns the maximum of two values.

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

Compares and returns the minimum of two values.

impl Decodable for CanonicalVar

fn decode<__D: Decoder>(d: &mut __D) -> Result<CanonicalVar, __D::Error>

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impl Encodable for CanonicalVar

fn encode<__S: Encoder>(&self, s: &mut __S) -> Result<(), __S::Error>

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impl Idx for CanonicalVar

fn new(value: usize) -> Self

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fn index(self) -> usize

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fn increment_by(&mut self, amount: usize)

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impl Step for CanonicalVar

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

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

likely to be replaced by finer-grained traits

Returns the number of steps between two step objects. The count is inclusive of start and exclusive of end.

fn replace_one(&mut self) -> Self

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likely to be replaced by finer-grained traits

Replaces this step with 1, returning itself

fn replace_zero(&mut self) -> Self

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likely to be replaced by finer-grained traits

Replaces this step with 0, returning itself

fn add_one(&self) -> Self

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

likely to be replaced by finer-grained traits

Adds one to this step, returning the result

fn sub_one(&self) -> Self

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likely to be replaced by finer-grained traits

Subtracts one to this step, returning the result

fn add_usize(&self, u: usize) -> Option<Self>

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

likely to be replaced by finer-grained traits

Add an usize, returning None on overflow

impl From<CanonicalVar> for u32

fn from(v: CanonicalVar) -> u32

Performs the conversion.

impl From<CanonicalVar> for usize

fn from(v: CanonicalVar) -> usize

Performs the conversion.

impl From<usize> for CanonicalVar

fn from(value: usize) -> Self

Performs the conversion.

impl From<u32> for CanonicalVar

fn from(value: u32) -> Self

Performs the conversion.

impl Debug for CanonicalVar

fn fmt(&self, fmt: &mut Formatter) -> Result

Formats the value using the given formatter.