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Ensure comments begin with space or newline

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Richard Feldman 2022-07-06 15:08:36 -04:00
parent bd194af67c
commit 4c5eb9b796
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2 changed files with 24 additions and 0 deletions
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12
crates/compiler/fmt/src/spaces.rs
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@ -125,6 +125,12 @@ pub fn fmt_comments_only<'a, 'buf, I>(
}
fn fmt_comment<'buf>(buf: &mut Buf<'buf>, comment: &str) {
// The '#' in a comment should always be preceded by a newline or a space,
// unless it's the very beginning of the buffer.
if !buf.is_empty() && !buf.ends_with_space() && !buf.ends_with_newline() {
buf.spaces(1);
}
buf.push('#');
if !comment.starts_with(' ') {
buf.spaces(1);
@ -158,6 +164,12 @@ where
}
fn fmt_docs<'buf>(buf: &mut Buf<'buf>, docs: &str) {
// The "##" in a doc comment should always be preceded by a newline or a space,
// unless it's the very beginning of the buffer.
if !buf.is_empty() && !buf.ends_with_space() && !buf.ends_with_newline() {
buf.spaces(1);
}
buf.push_str("##");
if !docs.is_empty() {
buf.spaces(1);