remove redundant wrapping of return types of allow_internal_unstable() and rustc_allow_const_fn_unstable()

2021-02-21 18:11:27 +01:00
parent a9b90c02a2
commit da9a588d4f
4 changed files with 8 additions and 9 deletions
--- a/compiler/rustc_mir/src/transform/check_consts/mod.rs
+++ b/compiler/rustc_mir/src/transform/check_consts/mod.rs
@@ -85,8 +85,7 @@ pub fn rustc_allow_const_fn_unstable(
    feature_gate: Symbol,
 ) -> bool {
    let attrs = tcx.get_attrs(def_id);
-    attr::rustc_allow_const_fn_unstable(&tcx.sess, attrs)
-        .map_or(false, |mut features| features.any(|name| name == feature_gate))
+    attr::rustc_allow_const_fn_unstable(&tcx.sess, attrs).any(|name| name == feature_gate)
 }

 // Returns `true` if the given `const fn` is "const-stable".