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Use peek() instead of checking indexes

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Ruben Schmidmeister 2019-05-18 11:42:49 +02:00
parent 9b98dd774e
commit 8d4cb6e783
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GPG Key ID: 29387B5A7AAF863F
1 changed files with 4 additions and 6 deletions
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10
src/attr/doc_comment.rs
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@ -16,14 +16,12 @@ impl<'a> DocCommentFormatter<'a> {
impl Display for DocCommentFormatter<'_> {
fn fmt(&self, formatter: &mut fmt::Formatter<'_>) -> fmt::Result {
let opener = self.style.opener().trim_end();
let literal_as_str = self.literal.as_str().get();
let line_count = literal_as_str.lines().count();
let last_line_index = line_count - 1;
let lines = literal_as_str.lines().enumerate();
for (index, line) in lines {
if index == last_line_index {
let mut lines = literal_as_str.lines().peekable();
while let Some(line) = lines.next() {
let is_last_line = lines.peek().is_none();
if is_last_line {
write!(formatter, "{}{}", opener, line)?;
} else {
writeln!(formatter, "{}{}", opener, line)?;