commit c9e524e5bff36c79d5a2d2e61702c92529267186
author Nikolas Klauser <nikolasklauser@berlin.de> Tue Sep 06 00:33:34 2022 +0200
committer Copybara-Service <copybara-worker@google.com> Tue Sep 06 10:26:05 2022 -0700
tree ef4aa6993cd56e301b5357d134824ccc9454c824
parent a22eabbed2f9a15be9e1bca273e350374b5b6fff

[libc++] Avoid instantiating type_trait classes

Use `using` aliases to avoid instantiating lots of types

Reviewed By: ldionne, #libc

Spies: libcxx-commits, miyuki

Differential Revision: https://reviews.llvm.org/D132785

NOKEYCHECK=True
GitOrigin-RevId: 5fab33af7f083a0043112742027172e9f297c07f

include/valarray

diff --git a/include/valarray b/include/valarray
index ff745d3..e0f0753 100644
--- a/include/valarray
+++ b/include/valarray
@@ -684,7 +684,7 @@
 template <class _ValExpr>
 class __slice_expr
 {
-    typedef typename remove_reference<_ValExpr>::type  _RmExpr;
+    typedef __libcpp_remove_reference_t<_ValExpr>  _RmExpr;
 public:
     typedef typename _RmExpr::value_type value_type;
     typedef value_type __result_type;
@@ -724,7 +724,7 @@
 template <class _ValExpr>
 class __shift_expr
 {
-    typedef typename remove_reference<_ValExpr>::type  _RmExpr;
+    typedef __libcpp_remove_reference_t<_ValExpr>  _RmExpr;
 public:
     typedef typename _RmExpr::value_type value_type;
     typedef value_type __result_type;
@@ -767,7 +767,7 @@
 template <class _ValExpr>
 class __cshift_expr
 {
-    typedef typename remove_reference<_ValExpr>::type  _RmExpr;
+    typedef __libcpp_remove_reference_t<_ValExpr>  _RmExpr;
 public:
     typedef typename _RmExpr::value_type value_type;
     typedef value_type __result_type;
@@ -2242,7 +2242,7 @@
 template <class _ValExpr>
 class __mask_expr
 {
-    typedef typename remove_reference<_ValExpr>::type  _RmExpr;
+    typedef __libcpp_remove_reference_t<_ValExpr>  _RmExpr;
 public:
     typedef typename _RmExpr::value_type value_type;
     typedef value_type __result_type;
@@ -2605,7 +2605,7 @@
 template <class _ValExpr>
 class __indirect_expr
 {
-    typedef typename remove_reference<_ValExpr>::type  _RmExpr;
+    typedef __libcpp_remove_reference_t<_ValExpr>  _RmExpr;
 public:
     typedef typename _RmExpr::value_type value_type;
     typedef value_type __result_type;
@@ -2645,7 +2645,7 @@
 template<class _ValExpr>
 class __val_expr
 {
-    typedef typename remove_reference<_ValExpr>::type  _RmExpr;
+    typedef __libcpp_remove_reference_t<_ValExpr>  _RmExpr;
 
     _ValExpr __expr_;
 public: