Struct rustc::hir::map::definitions::DefKey

pub struct DefKey {
    pub parent: Option<DefIndex>,
    pub disambiguated_data: DisambiguatedDefPathData,
}

🔬 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?

A unique identifier that we can use to lookup a definition precisely. It combines the index of the definition's parent (if any) with a DisambiguatedDefPathData.

Fields

parent: Option<DefIndex>

🔬 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?

Parent path.

disambiguated_data: DisambiguatedDefPathData

🔬 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?

Identifier of this node.

Methods

impl DefKey

fn compute_stable_hash(&self, parent_hash: DefPathHash) -> DefPathHash

🔬 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?

fn root_parent_stable_hash(     crate_name: &str,     crate_disambiguator: CrateDisambiguator ) -> DefPathHash

🔬 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 Clone for DefKey

fn clone(&self) -> DefKey

Returns a copy of the value.

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

Performs copy-assignment from source.

impl Debug for DefKey

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

Formats the value using the given formatter.

impl PartialEq for DefKey

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

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

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

This method tests for !=.

impl Eq for DefKey

fn assert_receiver_is_total_eq(&self)

impl Hash for DefKey

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 Encodable for DefKey

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

🔬 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 DefKey

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

🔬 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?