Struct rustc::hir::def_id::DefId[][src]

pub struct DefId {
    pub krate: CrateNum,
    pub index: DefIndex,
}
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A DefId identifies a particular definition, by combining a crate index and a def index.

Fields

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Methods

impl DefId
[src]

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impl DefId
[src]

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Make a local DefId with the given index.

🔬 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, 'gcx: 'tcx + 'a, 'tcx: 'a> DepNodeParams<'a, 'gcx, 'tcx> for DefId
[src]

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CAN_RECONSTRUCT_QUERY_KEY: bool = true

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This method turns the parameters of a DepNodeConstructor into an opaque Fingerprint to be used in DepNode. Not all DepNodeParams support being turned into a Fingerprint (they don't need to if the corresponding DepNode is anonymous). Read more

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impl DepGraphSafe for DefId
[src]

A DefId on its own doesn't give access to any particular state. You must fetch the state from the various maps or generate on-demand queries, all of which create reads.

impl Clone for DefId
[src]

Returns a copy of the value. Read more

Performs copy-assignment from source. Read more

impl PartialEq for DefId
[src]

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

This method tests for !=.

impl Eq for DefId
[src]

impl PartialOrd for DefId
[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 Ord for DefId
[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 Hash for DefId
[src]

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

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

impl Copy for DefId
[src]

impl Debug for DefId
[src]

Formats the value using the given formatter. Read more

impl UseSpecializedEncodable for DefId
[src]

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Defaults to returning an error (see SpecializationError).

impl UseSpecializedDecodable for DefId
[src]

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Defaults to returning an error (see SpecializationError).

impl<'a> HashStable<StableHashingContext<'a>> for DefId
[src]

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impl<'a> ToStableHashKey<StableHashingContext<'a>> for DefId
[src]

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impl Key for DefId
[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<DefId> for CacheDecoder<'a, 'tcx, 'x>
[src]

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

impl<'enc, 'a, 'tcx, E> SpecializedEncoder<DefId> for CacheEncoder<'enc, 'a, 'tcx, E> where
    E: 'enc + TyEncoder
[src]

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Encode the value in a manner specific to this encoder state.

impl<'tcx> TypeFoldable<'tcx> for DefId
[src]

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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)

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)

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?

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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

🔬 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)

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)

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)

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)

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)

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)

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)

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)

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)

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)

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)

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?

"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> Lift<'tcx> for DefId
[src]

🔬 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)

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?

Auto Trait Implementations

impl Send for DefId

impl Sync for DefId