introduce `Mutability::ptr_str`

2 files changed, 2 insertions, 13 deletions

diff --git a/compiler/rustc_middle/src/mir/pretty.rs b/compiler/rustc_middle/src/mir/pretty.rs
index 41df2e3b587..15bd5c08965 100644
--- a/compiler/rustc_middle/src/mir/pretty.rs
+++ b/compiler/rustc_middle/src/mir/pretty.rs
@@ -978,12 +978,7 @@ impl<'tcx> Debug for Rvalue<'tcx> {
             CopyForDeref(ref place) => write!(fmt, "deref_copy {place:#?}"),
 
             AddressOf(mutability, ref place) => {
-                let kind_str = match mutability {
-                    Mutability::Mut => "mut",
-                    Mutability::Not => "const",
-                };
-
-                write!(fmt, "&raw {kind_str} {place:?}")
+                write!(fmt, "&raw {mut_str} {place:?}", mut_str = mutability.ptr_str())
             }
 
             Aggregate(ref kind, ref places) => {
diff --git a/compiler/rustc_middle/src/ty/print/pretty.rs b/compiler/rustc_middle/src/ty/print/pretty.rs
index 20ebd87c3d4..0bd009cd51d 100644
--- a/compiler/rustc_middle/src/ty/print/pretty.rs
+++ b/compiler/rustc_middle/src/ty/print/pretty.rs
@@ -671,13 +671,7 @@ pub trait PrettyPrinter<'tcx>: Printer<'tcx> + fmt::Write {
                 p!("(", print(ty), ") is ", write("{pat:?}"))
             }
             ty::RawPtr(ty, mutbl) => {
-                p!(write(
-                    "*{} ",
-                    match mutbl {
-                        hir::Mutability::Mut => "mut",
-                        hir::Mutability::Not => "const",
-                    }
-                ));
+                p!(write("*{} ", mutbl.ptr_str()));
                 p!(print(ty))
             }
             ty::Ref(r, ty, mutbl) => {