Use as_deref in compiler (but only where it makes sense)

2022-11-16 21:58:58 +00:00
parent e702534763
commit 94470f4efd
27 changed files with 45 additions and 63 deletions
--- a/compiler/rustc_metadata/src/creader.rs
+++ b/compiler/rustc_metadata/src/creader.rs
@@ -162,7 +162,7 @@ impl CStore {
    pub(crate) fn iter_crate_data(&self) -> impl Iterator<Item = (CrateNum, &CrateMetadata)> {
        self.metas
            .iter_enumerated()
-            .filter_map(|(cnum, data)| data.as_ref().map(|data| (cnum, &**data)))
+            .filter_map(|(cnum, data)| data.as_deref().map(|data| (cnum, data)))
    }

    fn push_dependencies_in_postorder(&self, deps: &mut Vec<CrateNum>, cnum: CrateNum) {