Enum rustc::middle::resolve_lifetime::LifetimeDefOrigin

pub enum LifetimeDefOrigin {
    Explicit,
    InBand,
}

🔬 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?

The origin of a named lifetime definition.

This is used to prevent the usage of in-band lifetimes in Fn/fn syntax.

Variants

Explicit

🔬 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?

InBand

🔬 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?

Methods

impl LifetimeDefOrigin

fn from_is_in_band(is_in_band: bool) -> Self

🔬 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<'a, 'tcx> HashStable<StableHashingContext<'a>> for LifetimeDefOrigin

fn hash_stable<W: StableHasherResult>(     &self,     __ctx: &mut StableHashingContext<'a>,     __hasher: &mut StableHasher<W> )

🔬 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 Copy for LifetimeDefOrigin

impl Clone for LifetimeDefOrigin

fn clone(&self) -> LifetimeDefOrigin

Returns a copy of the value.

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

Performs copy-assignment from source.

impl PartialEq for LifetimeDefOrigin

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

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

#[must_use] fn ne(&self, other: &Rhs) -> bool

This method tests for !=.

impl Eq for LifetimeDefOrigin

fn assert_receiver_is_total_eq(&self)

impl Hash for LifetimeDefOrigin

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 LifetimeDefOrigin

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 LifetimeDefOrigin

fn decode<__D: Decoder>(d: &mut __D) -> Result<LifetimeDefOrigin, __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?

impl Debug for LifetimeDefOrigin

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

Formats the value using the given formatter.