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Use Option::map_or

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This commit is contained in:
Dale Wijnand 2018-08-06 15:42:08 +02:00
parent b18a3c5b60
commit 7a5ede677b
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1 changed files with 1 additions and 4 deletions
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5
clippy_lints/src/mem_forget.rs
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@ -37,10 +37,7 @@ impl<'a, 'tcx> LateLintPass<'a, 'tcx> for MemForget {
if match_def_path(cx.tcx, def_id, &paths::MEM_FORGET) {
let forgot_ty = cx.tables.expr_ty(&args[0]);
if match forgot_ty.ty_adt_def() {
Some(def) => def.has_dtor(cx.tcx),
_ => false,
} {
if forgot_ty.ty_adt_def().map_or(false, |def| def.has_dtor(cx.tcx)) {
span_lint(cx, MEM_FORGET, e.span, "usage of mem::forget on Drop type");
}
}