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let_if_seq: use array_windows.

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This commit is contained in:
Jason Newcomb 2024-06-12 23:17:08 -04:00
parent ff4e62d3ec
commit fed75b3895
1 changed files with 3 additions and 5 deletions
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8
clippy_lints/src/let_if_seq.rs
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@ -58,12 +58,10 @@ declare_lint_pass!(LetIfSeq => [USELESS_LET_IF_SEQ]);
impl<'tcx> LateLintPass<'tcx> for LetIfSeq {
fn check_block(&mut self, cx: &LateContext<'tcx>, block: &'tcx hir::Block<'_>) {
let mut it = block.stmts.iter().peekable();
while let Some(stmt) = it.next() {
if let Some(expr) = it.peek()
&& let hir::StmtKind::Let(local) = stmt.kind
for [stmt, next] in block.stmts.array_windows::<2>() {
if let hir::StmtKind::Let(local) = stmt.kind
&& let hir::PatKind::Binding(mode, canonical_id, ident, None) = local.pat.kind
&& let hir::StmtKind::Expr(if_) = expr.kind
&& let hir::StmtKind::Expr(if_) = next.kind
&& let hir::ExprKind::If(
hir::Expr {
kind: hir::ExprKind::DropTemps(cond),