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Use take_while

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This commit is contained in:
Shotaro Yamada 2018-03-22 08:34:36 +09:00
parent 4757321277
commit e5572bbb66
1 changed files with 2 additions and 4 deletions
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6
src/attr.rs
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@ -173,13 +173,11 @@ fn has_newlines_before_after_comment(comment: &str) -> (&str, &str) {
let mla = if comment_begin.is_none() {
mlb
} else {
let comment_end = comment.chars().rev().position(|c| !c.is_whitespace());
let len = comment_end.unwrap();
comment
.chars()
.rev()
.take(len)
.filter(|c| *c == '\n')
.take_while(|c| c.is_whitespace())
.filter(|&c| c == '\n')
.count() > 1
};
(if mlb { "\n" } else { "" }, if mla { "\n" } else { "" })