rust-lang/rust
1
0
Fork 0
Code Issues Pull Requests Actions 1 Packages Projects Releases Wiki Activity

remove eq_unspanned from TokenStream

Browse Source
This commit is contained in:
yukang
2025-05-26 14:11:02 +08:00
parent 6b5b97a4df
commit d3347bb32b
3 changed files with 12 additions and 10 deletions
Download Patch File Download Diff File Expand all files Collapse all files

10
compiler/rustc_ast/src/tokenstream.rs
View File

@@ -57,7 +57,9 @@ impl TokenTree {
match (self, other) {
(TokenTree::Token(token, _), TokenTree::Token(token2, _)) => token.kind == token2.kind,
(TokenTree::Delimited(.., delim, tts), TokenTree::Delimited(.., delim2, tts2)) => {
delim == delim2 && tts.eq_unspanned(tts2)
delim == delim2
&& tts.len() == tts2.len()
&& tts.iter().zip(tts2.iter()).all(|(a, b)| a.eq_unspanned(b))
}
_ => false,
}
@@ -694,12 +696,6 @@ impl TokenStream {
TokenStreamIter::new(self)
}
/// Compares two `TokenStream`s, checking equality without regarding span information.
pub fn eq_unspanned(&self, other: &TokenStream) -> bool {
self.len() == other.len()
&& self.iter().zip(other.iter()).all(|(tt1, tt2)| tt1.eq_unspanned(tt2))
}
/// Create a token stream containing a single token with alone spacing. The
/// spacing used for the final token in a constructed stream doesn't matter
/// because it's never used. In practice we arbitrarily use