6104: Minor clippy performance suggestions r=matklad a=kjeremy



Co-authored-by: kjeremy <kjeremy@gmail.com>
This commit is contained in:
bors[bot] 2020-10-02 08:07:42 +00:00 committed by GitHub
commit e535489f03
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6 changed files with 7 additions and 7 deletions

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@ -159,7 +159,7 @@ impl ast::AssocItemList {
let whitespace =
last_token_before_curly.clone().into_token().and_then(ast::Whitespace::cast)?;
let text = whitespace.syntax().text();
let newline = text.rfind("\n")?;
let newline = text.rfind('\n')?;
let keep = tokens::WsBuilder::new(&text[newline..]);
Some(self.replace_children(
first_token_after_items..=last_token_before_curly,