diff options
| -rw-r--r-- | src/librustdoc/clean/render_macro_matchers.rs | 9 |
1 files changed, 4 insertions, 5 deletions
diff --git a/src/librustdoc/clean/render_macro_matchers.rs b/src/librustdoc/clean/render_macro_matchers.rs index b3dc0f63e45..66d10f2368b 100644 --- a/src/librustdoc/clean/render_macro_matchers.rs +++ b/src/librustdoc/clean/render_macro_matchers.rs @@ -76,14 +76,13 @@ fn snippet_equal_to_token(tcx: TyCtxt<'_>, matcher: &TokenTree) -> Option<String }; // Reparse a single token tree. - let mut reparsed_trees = Vec::new(); - while parser.token != token::Eof { - reparsed_trees.push(parser.parse_token_tree()); + if parser.token == token::Eof { + return None; } - if reparsed_trees.len() != 1 { + let reparsed_tree = parser.parse_token_tree(); + if parser.token != token::Eof { return None; } - let reparsed_tree = reparsed_trees.pop().unwrap(); // Compare against the original tree. if reparsed_tree.eq_unspanned(matcher) { Some(snippet) } else { None } |