Struct rustc::hir::ItemLocalId [] [src]

pub struct ItemLocalId(pub u32);
🔬 This is a nightly-only experimental API. (rustc_private)

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An ItemLocalId uniquely identifies something within a given "item-like", that is within a hir::Item, hir::TraitItem, or hir::ImplItem. There is no guarantee that the numerical value of a given ItemLocalId corresponds to the node's position within the owning item in any way, but there is a guarantee that the LocalItemIds within an owner occupy a dense range of integers starting at zero, so a mapping that maps all or most nodes within an "item-like" to something else can be implement by a Vec instead of a tree or hash map.

Methods

impl ItemLocalId
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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?

Trait Implementations

impl Copy for ItemLocalId
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impl Clone for ItemLocalId
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Returns a copy of the value. Read more

1.0.0
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Performs copy-assignment from source. Read more

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

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This method tests for !=.

impl Eq for ItemLocalId
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impl Hash for ItemLocalId
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Feeds this value into the given [Hasher]. Read more

1.3.0
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Feeds a slice of this type into the given [Hasher]. Read more

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

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

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

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

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

impl Ord for ItemLocalId
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This method returns an Ordering between self and other. Read more

1.21.0
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Compares and returns the maximum of two values. Read more

1.21.0
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Compares and returns the minimum of two values. Read more

impl Debug for ItemLocalId
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Formats the value using the given formatter.

impl Encodable for ItemLocalId
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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?

impl Decodable for ItemLocalId
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🔬 This is a nightly-only experimental API. (rustc_private)

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impl Idx for ItemLocalId
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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?

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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?

impl<'tcx> HashStable<StableHashingContext<'tcx>> for ItemLocalId
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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?

impl<'gcx> ToStableHashKey<StableHashingContext<'gcx>> for ItemLocalId
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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?

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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?