Use is_none instead of if let

This commit is contained in:
Yuki Okushi 2019-12-23 05:13:46 +09:00
parent 9b98af84c4
commit 101dd7bad9

View file

@ -2289,7 +2289,7 @@ impl<'a, 'tcx> InferCtxt<'a, 'tcx> {
let span = self.tcx.def_span(generator_did);
// Do not ICE on closure typeck (#66868).
if let None = self.tcx.hir().as_local_hir_id(generator_did) {
if self.tcx.hir().as_local_hir_id(generator_did).is_none() {
return false;
}