X-Git-Url: https://git.lizzy.rs/?a=blobdiff_plain;f=compiler%2Frustc_hir%2Fsrc%2Fdef.rs;h=7416ad79aefd0075a960cb9d36caa14b0d1f0b2f;hb=496384531ea92e2efec8802e2d3b45b6ffff9bd8;hp=53d60d280c001dcf3179d0488facd869e828a5dc;hpb=db61452b7a2ec92d90f4faebfa679c54ad3e1ab0;p=rust.git

diff --git a/compiler/rustc_hir/src/def.rs b/compiler/rustc_hir/src/def.rs
index 53d60d280c0..7416ad79aef 100644
--- a/compiler/rustc_hir/src/def.rs
+++ b/compiler/rustc_hir/src/def.rs
@@ -1,4 +1,4 @@
-use crate::def_id::{DefId, CRATE_DEF_INDEX, LOCAL_CRATE};
+use crate::def_id::DefId;
 use crate::hir;
 
 use rustc_ast as ast;
@@ -124,9 +124,7 @@ impl DefKind {
     pub fn descr(self, def_id: DefId) -> &'static str {
         match self {
             DefKind::Fn => "function",
-            DefKind::Mod if def_id.index == CRATE_DEF_INDEX && def_id.krate != LOCAL_CRATE => {
-                "crate"
-            }
+            DefKind::Mod if def_id.is_crate_root() && !def_id.is_local() => "crate",
             DefKind::Mod => "module",
             DefKind::Static(..) => "static",
             DefKind::Enum => "enum",
@@ -665,4 +663,9 @@ pub fn matches_ns(&self, ns: Namespace) -> bool {
     pub fn expected_in_tuple_struct_pat(&self) -> bool {
         matches!(self, Res::Def(DefKind::Ctor(_, CtorKind::Fn), _) | Res::SelfCtor(..))
     }
+
+    /// Returns whether such a resolved path can occur in a unit struct/variant pattern
+    pub fn expected_in_unit_struct_pat(&self) -> bool {
+        matches!(self, Res::Def(DefKind::Ctor(_, CtorKind::Const), _) | Res::SelfCtor(..))
+    }
 }