diff options
Diffstat (limited to 'compiler/rustc_ast/src/util/comments.rs')
| -rw-r--r-- | compiler/rustc_ast/src/util/comments.rs | 33 |
1 files changed, 17 insertions, 16 deletions
diff --git a/compiler/rustc_ast/src/util/comments.rs b/compiler/rustc_ast/src/util/comments.rs index 275ed02c2..eece99a3e 100644 --- a/compiler/rustc_ast/src/util/comments.rs +++ b/compiler/rustc_ast/src/util/comments.rs @@ -58,23 +58,24 @@ pub fn beautify_doc_string(data: Symbol, kind: CommentKind) -> Symbol { // In case we have doc comments like `/**` or `/*!`, we want to remove stars if they are // present. However, we first need to strip the empty lines so they don't get in the middle // when we try to compute the "horizontal trim". - let lines = if kind == CommentKind::Block { - // Whatever happens, we skip the first line. - let mut i = lines - .get(0) - .map(|l| if l.trim_start().starts_with('*') { 0 } else { 1 }) - .unwrap_or(0); - let mut j = lines.len(); - - while i < j && lines[i].trim().is_empty() { - i += 1; - } - while j > i && lines[j - 1].trim().is_empty() { - j -= 1; + let lines = match kind { + CommentKind::Block => { + // Whatever happens, we skip the first line. + let mut i = lines + .get(0) + .map(|l| if l.trim_start().starts_with('*') { 0 } else { 1 }) + .unwrap_or(0); + let mut j = lines.len(); + + while i < j && lines[i].trim().is_empty() { + i += 1; + } + while j > i && lines[j - 1].trim().is_empty() { + j -= 1; + } + &lines[i..j] } - &lines[i..j] - } else { - lines + CommentKind::Line => lines, }; for line in lines { |