[][src]Struct rustc::ty::sty::Const

pub struct Const<'tcx> {
    pub ty: Ty<'tcx>,
    pub val: ConstValue<'tcx>,
}
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Typed constant value.

Fields

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Methods

impl<'tcx> Const<'tcx>
[src]

Important traits for &'a mut R

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Important traits for &'a mut R

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Important traits for &'a mut R

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Important traits for &'a mut R

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Important traits for &'a mut R

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Important traits for &'a mut R

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Important traits for &'a mut R

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

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

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

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Trait Implementations

impl<'a, 'tcx> HashStable<StableHashingContext<'a>> for Const<'tcx>
[src]

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impl<'tcx> Key for &'tcx Const<'tcx>
[src]

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Given an instance of this key, what crate is it referring to? This is used to find the provider. Read more

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In the event that a cycle occurs, if no explicit span has been given for a query with key self, what span should we use? Read more

impl<'a, 'tcx, 'x> SpecializedDecoder<&'tcx Const<'tcx>> for CacheDecoder<'a, 'tcx, 'x>
[src]

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Decode a value in a manner specific to this decoder state.

impl<'a, 'tcx> Lift<'tcx> for &'a Const<'a>
[src]

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impl<'tcx: 'lcx, 'lcx> Borrow<Const<'lcx>> for Interned<'tcx, Const<'tcx>>
[src]

Immutably borrows from an owned value. Read more

impl<'tcx> TypeFoldable<'tcx> for &'tcx Const<'tcx>
[src]

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

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

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

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True if self has any late-bound regions that are either bound by binder or bound by some binder outside of binder. If binder is ty::INNERMOST, this indicates whether there are any late-bound regions that appear free. Read more

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True if this self has any regions that escape binder (and hence are not bound by it). Read more

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

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

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

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

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

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

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

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

this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via Cargo.toml instead?

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

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

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

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

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"Free" regions in this context means that it has any region that is not (a) erased or (b) late-bound. Read more

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True if there any any un-erased free regions.

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Indicates whether this value references only 'global' types/lifetimes that are the same regardless of what fn we are in. This is used for caching. Read more

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True if there are any late-bound regions

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A visitor that does not recurse into types, works like fn walk_shallow in Ty.

impl<'tcx> Copy for Const<'tcx>
[src]

impl<'tcx> Clone for Const<'tcx>
[src]

Returns a copy of the value. Read more

Performs copy-assignment from source. Read more

impl<'tcx> Debug for Const<'tcx>
[src]

Formats the value using the given formatter. Read more

impl<'tcx> Hash for Const<'tcx>
[src]

Feeds this value into the given [Hasher]. Read more

Feeds a slice of this type into the given [Hasher]. Read more

impl<'tcx> Encodable for Const<'tcx>
[src]

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impl<'tcx> Decodable for Const<'tcx>
[src]

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impl<'tcx> Eq for Const<'tcx>
[src]

impl<'tcx> PartialEq for Const<'tcx>
[src]

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

This method tests for !=.

impl<'tcx> Ord for Const<'tcx>
[src]

This method returns an Ordering between self and other. Read more

Compares and returns the maximum of two values. Read more

Compares and returns the minimum of two values. Read more

impl<'tcx> PartialOrd for Const<'tcx>
[src]

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

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

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

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

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

impl<'tcx> UseSpecializedDecodable for &'tcx Const<'tcx>
[src]

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Defaults to returning an error (see SpecializationError).

Auto Trait Implementations

impl<'tcx> !Send for Const<'tcx>

impl<'tcx> !Sync for Const<'tcx>

Blanket Implementations

impl<T> MaybeResult for T
[src]

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

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impl<'a, T> Captures for T where
    T: ?Sized
[src]

impl<T> ToOwned for T where
    T: Clone
[src]

Creates owned data from borrowed data, usually by cloning. Read more

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recently added

Uses borrowed data to replace owned data, usually by cloning. Read more

impl<T> From for T
[src]

Performs the conversion.

impl<T, U> Into for T where
    U: From<T>, 
[src]

Performs the conversion.

impl<T, U> TryFrom for T where
    T: From<U>, 
[src]

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The type returned in the event of a conversion error.

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

Performs the conversion.

impl<T> Borrow for T where
    T: ?Sized
[src]

Important traits for &'a mut R

Immutably borrows from an owned value. Read more

impl<T, U> TryInto for T where
    U: TryFrom<T>, 
[src]

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The type returned in the event of a conversion error.

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

Performs the conversion.

impl<T> BorrowMut for T where
    T: ?Sized
[src]

Important traits for &'a mut R

Mutably borrows from an owned value. Read more

impl<T> Any for T where
    T: 'static + ?Sized
[src]

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

this method will likely be replaced by an associated static

Gets the TypeId of self. Read more

impl<T> Encodable for T where
    T: UseSpecializedEncodable + ?Sized
[src]

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impl<T> Decodable for T where
    T: UseSpecializedDecodable
[src]

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impl<E> SpecializationError for E
[src]

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Create an error for a missing method specialization. Defaults to panicking with type, trait & method names. S is the encoder/decoder state type, T is the type being encoded/decoded, and the arguments are the names of the trait and method that should've been overridden. Read more

impl<T> Erased for T
[src]

impl<T> Send for T where
    T: ?Sized
[src]

impl<T> Sync for T where
    T: ?Sized
[src]

impl<T> Erased for T