Struct rustc_ast::tokenstream::LazyTokenStream

pub struct LazyTokenStream(Lrc<Box<dyn CreateTokenStream>>);

A lazy version of TokenStream, which defers creation of an actual TokenStream until it is needed. Box is here only to reduce the structure size.

Tuple Fields

0: Lrc<Box<dyn CreateTokenStream>>

Implementations

impl LazyTokenStream

pub fn new(inner: impl CreateTokenStream + 'static) -> LazyTokenStream

pub fn create_token_stream(&self) -> AttrAnnotatedTokenStream

Trait Implementations

impl Clone for LazyTokenStream

fn clone(&self) -> LazyTokenStream

Returns a copy of the value.

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

Performs copy-assignment from source.

impl Debug for LazyTokenStream

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

Formats the value using the given formatter.

impl<D: Decoder> Decodable<D> for LazyTokenStream

fn decode(_d: &mut D) -> Result<Self, D::Error>

impl<S: Encoder> Encodable<S> for LazyTokenStream

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

impl<CTX> HashStable<CTX> for LazyTokenStream

fn hash_stable(&self, _hcx: &mut CTX, _hasher: &mut StableHasher)

Layout

Note: Most layout information is completely unstable and may even differ between compilations. The only exception is types with certain repr(...) attributes. Please see the Rust Reference’s “Type Layout” chapter for details on type layout guarantees.

Size: 8 bytes