Refactor `create_substs_for_generic_args` a little

[rust.git] / src / librustc / ty / structural_impls.rs

diff --git a/src/librustc/ty/structural_impls.rs b/src/librustc/ty/structural_impls.rs
index 59dd41e9d56c911db38e293fc8606129823fafdb..388afc15c855973e71dc1af03750b8c0f3488635 100644 (file)
--- a/src/librustc/ty/structural_impls.rs
+++ b/src/librustc/ty/structural_impls.rs
@@ -19,12 +19,7 @@
 
 impl fmt::Debug for ty::GenericParamDef {
     fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
-        let type_name = match self.kind {
-            ty::GenericParamDefKind::Lifetime => "Lifetime",
-            ty::GenericParamDefKind::Type { .. } => "Type",
-            ty::GenericParamDefKind::Const => "Const",
-        };
-        write!(f, "{}({}, {:?}, {})", type_name, self.name, self.def_id, self.index)
+        write!(f, "{}({}, {:?}, {})", self.kind.descr(), self.name, self.def_id, self.index)
     }
 }