bjoernager/rust
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Remove ast::Token::take.

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Instead of replacing `TokenTreesReader::token` in two steps, we can just
do it in one, which is both simpler and faster.
This commit is contained in:
Nicholas Nethercote 2022-09-26 12:57:37 +10:00
parent 5b2075e03d
commit 33ba2776c9
2 changed files with 2 additions and 8 deletions
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7
compiler/rustc_ast/src/token.rs
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@ -13,7 +13,7 @@ use rustc_span::symbol::{kw, sym};
use rustc_span::symbol::{Ident, Symbol};
use rustc_span::{self, edition::Edition, Span, DUMMY_SP};
use std::borrow::Cow;
use std::{fmt, mem};
use std::fmt;
#[derive(Clone, Copy, PartialEq, Encodable, Decodable, Debug, HashStable_Generic)]
pub enum CommentKind {
@ -335,11 +335,6 @@ impl Token {
Token::new(Ident(ident.name, ident.is_raw_guess()), ident.span)
}
/// Return this token by value and leave a dummy token in its place.
pub fn take(&mut self) -> Self {
mem::replace(self, Token::dummy())
}
/// For interpolated tokens, returns a span of the fragment to which the interpolated
/// token refers. For all other tokens this is just a regular span.
/// It is particularly important to use this for identifiers and lifetimes