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check closure arguments before use it

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This commit is contained in:
airt 2019-05-01 04:41:00 +08:00
parent 5d6a100f81
commit d063516c85
1 changed files with 2 additions and 1 deletions
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3
clippy_lints/src/methods/mod.rs
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@ -1980,7 +1980,8 @@ fn lint_search_is_some<'a, 'tcx>(
if search_method == "find";
if let hir::ExprKind::Closure(_, _, body_id, ..) = search_args[1].node;
let closure_body = cx.tcx.hir().body(body_id);
if let hir::PatKind::Ref(..) = closure_body.arguments[0].pat.node;
if let Some(closure_arg) = closure_body.arguments.get(0);
if let hir::PatKind::Ref(..) = closure_arg.pat.node;
then {
Some(search_snippet.replacen('&', "", 1))
} else {