X-Git-Url: https://git.lizzy.rs/?a=blobdiff_plain;f=compiler%2Frustc_middle%2Fsrc%2Fty%2Flayout.rs;h=cd4b23fca393282a40126213a1b24c35be53a042;hb=fe49981ea0069f6b89e4511d5de92b7027d9b688;hp=7cf2984a63f90609b10f30ed2d85d393792a656c;hpb=055bf4ccd521c2c2185166c86951be7be145727c;p=rust.git

diff --git a/compiler/rustc_middle/src/ty/layout.rs b/compiler/rustc_middle/src/ty/layout.rs
index 7cf2984a63f..cd4b23fca39 100644
--- a/compiler/rustc_middle/src/ty/layout.rs
+++ b/compiler/rustc_middle/src/ty/layout.rs
@@ -2592,6 +2592,22 @@ fn ty_and_layout_pointee_info_at(
 
         pointee_info
     }
+
+    fn is_adt(this: TyAndLayout<'tcx>) -> bool {
+        matches!(this.ty.kind(), ty::Adt(..))
+    }
+
+    fn is_never(this: TyAndLayout<'tcx>) -> bool {
+        this.ty.kind() == &ty::Never
+    }
+
+    fn is_tuple(this: TyAndLayout<'tcx>) -> bool {
+        matches!(this.ty.kind(), ty::Tuple(..))
+    }
+
+    fn is_unit(this: TyAndLayout<'tcx>) -> bool {
+        matches!(this.ty.kind(), ty::Tuple(list) if list.len() == 0)
+    }
 }
 
 impl<'tcx> ty::Instance<'tcx> {