From f6aec82d4d7c9a75698808c28454d601aceac06f Mon Sep 17 00:00:00 2001 From: Aaron Hill Date: Mon, 14 Sep 2020 01:45:10 -0400 Subject: Avoid cloning the contents of a `TokenStream` in a few places --- compiler/rustc_parse/src/parser/mod.rs | 10 +++++----- 1 file changed, 5 insertions(+), 5 deletions(-) (limited to 'compiler/rustc_parse/src') diff --git a/compiler/rustc_parse/src/parser/mod.rs b/compiler/rustc_parse/src/parser/mod.rs index 7970ad36456..1860f1238c4 100644 --- a/compiler/rustc_parse/src/parser/mod.rs +++ b/compiler/rustc_parse/src/parser/mod.rs @@ -833,15 +833,15 @@ impl<'a> Parser<'a> { } let frame = &self.token_cursor.frame; - looker(&match frame.tree_cursor.look_ahead(dist - 1) { + match frame.tree_cursor.look_ahead(dist - 1) { Some(tree) => match tree { - TokenTree::Token(token) => token, + TokenTree::Token(token) => looker(token), TokenTree::Delimited(dspan, delim, _) => { - Token::new(token::OpenDelim(delim), dspan.open) + looker(&Token::new(token::OpenDelim(*delim), dspan.open)) } }, - None => Token::new(token::CloseDelim(frame.delim), frame.span.close), - }) + None => looker(&Token::new(token::CloseDelim(frame.delim), frame.span.close)), + } } /// Returns whether any of the given keywords are `dist` tokens ahead of the current one. -- cgit 1.4.1-3-g733a5