Struct rustc_ast::tokenstream::LazyAttrTokenStream

pub struct LazyAttrTokenStream(Lrc<Box<dyn ToAttrTokenStream>>);

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 ToAttrTokenStream>>

Implementations

impl LazyAttrTokenStream

pub fn new(inner: impl ToAttrTokenStream + 'static) -> LazyAttrTokenStream

pub fn to_attr_token_stream(&self) -> AttrTokenStream

Trait Implementations

impl Clone for LazyAttrTokenStream

fn clone(&self) -> LazyAttrTokenStream

Returns a copy of the value.

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

Performs copy-assignment from source.

impl Debug for LazyAttrTokenStream

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

Formats the value using the given formatter.

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

fn decode(_d: &mut D) -> Self

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

fn encode(&self, s: &mut S)

impl<CTX> HashStable<CTX> for LazyAttrTokenStream

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