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Put a space before comments in patterns

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Richard Feldman 2022-07-03 21:58:20 -04:00
parent 3e2f581db4
commit 872efa9724
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1 changed files with 15 additions and 0 deletions
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15
crates/compiler/fmt/src/pattern.rs
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@ -162,6 +162,10 @@ impl<'a> Formattable for Pattern<'a> {
// Space
SpaceBefore(sub_pattern, spaces) => {
if has_inline_comment(spaces.iter()) {
buf.spaces(1);
}
if !sub_pattern.is_multiline() {
fmt_comments_only(buf, spaces.iter(), NewlineAt::Bottom, indent)
} else {
@ -172,6 +176,11 @@ impl<'a> Formattable for Pattern<'a> {
}
SpaceAfter(sub_pattern, spaces) => {
sub_pattern.format_with_options(buf, parens, newlines, indent);
if has_inline_comment(spaces.iter()) {
buf.spaces(1);
}
if !sub_pattern.is_multiline() {
fmt_comments_only(buf, spaces.iter(), NewlineAt::Bottom, indent)
} else {
@ -196,3 +205,9 @@ impl<'a> Formattable for Pattern<'a> {
}
}
}
fn has_inline_comment<'a, I: IntoIterator<Item = &'a CommentOrNewline<'a>>>(spaces: I) -> bool {
spaces
.into_iter()
.any(|space| matches!(space, CommentOrNewline::LineComment(_)))
}