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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
1 changed files with 1 additions and 1 deletions
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2
src/librustc/traits/error_reporting.rs
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@ -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;
}