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This commit is contained in:
Manish Goregaokar 2021-09-27 22:33:45 -07:00
parent 17155c8dca
commit 13834e6ad2
1 changed files with 8 additions and 7 deletions
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15
clippy_lints/src/match_result_ok.rs
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@ -47,13 +47,14 @@ declare_lint_pass!(MatchResultOk => [MATCH_RESULT_OK]);
impl<'tcx> LateLintPass<'tcx> for MatchResultOk {
fn check_expr(&mut self, cx: &LateContext<'tcx>, expr: &'tcx Expr<'_>) {
let (let_pat, let_expr, ifwhile) = if let Some(higher::IfLet { let_pat, let_expr, .. }) = higher::IfLet::hir(cx, expr) {
(let_pat, let_expr, "if")
} else if let Some(higher::WhileLet { let_pat, let_expr, .. }) = higher::WhileLet::hir(expr) {
(let_pat, let_expr, "while")
} else {
return
};
let (let_pat, let_expr, ifwhile) =
if let Some(higher::IfLet { let_pat, let_expr, .. }) = higher::IfLet::hir(cx, expr) {
(let_pat, let_expr, "if")
} else if let Some(higher::WhileLet { let_pat, let_expr, .. }) = higher::WhileLet::hir(expr) {
(let_pat, let_expr, "while")
} else {
return;
};
if_chain! {
if let ExprKind::MethodCall(_, ok_span, [ref result_types_0, ..], _) = let_expr.kind; //check is expr.ok() has type Result<T,E>.ok(, _)