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simplify emit_unused_delims_expr

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This commit is contained in:
Takayuki Maeda 2022-11-15 16:43:50 +09:00
parent ca08a32655
commit 061610640c
1 changed files with 3 additions and 10 deletions
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13
compiler/rustc_lint/src/unused.rs
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@ -517,16 +517,9 @@ trait UnusedDelimLint {
right_pos: Option<BytePos>,
) {
let spans = match value.kind {
ast::ExprKind::Block(ref block, None) if block.stmts.len() > 0 => {
let start = block.stmts[0].span;
let end = block.stmts[block.stmts.len() - 1].span;
if let Some(start) = start.find_ancestor_inside(value.span)
&& let Some(end) = end.find_ancestor_inside(value.span)
{
Some((
value.span.with_hi(start.lo()),
value.span.with_lo(end.hi()),
))
ast::ExprKind::Block(ref block, None) if block.stmts.len() == 1 => {
if let Some(span) = block.stmts[0].span.find_ancestor_inside(value.span) {
Some((value.span.with_hi(span.lo()), value.span.with_lo(span.hi())))
} else {
None
}