[libcxx-commits] [PATCH] D146545: [libc++] Module fixes for __synth_three_way.

[Mark de Wever via Phabricator via libcxx-commits]

Mordante updated this revision to Diff 507037.
Mordante added a comment.
Herald added a subscriber: arichardson.

CI fixes.


Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D146545/new/

https://reviews.llvm.org/D146545

Files:
  libcxx/include/__compare/synth_three_way.h
  libcxx/include/compare
  libcxx/include/list
  libcxx/utils/data/ignore_format.txt


Index: libcxx/utils/data/ignore_format.txt
===================================================================
--- libcxx/utils/data/ignore_format.txt
+++ libcxx/utils/data/ignore_format.txt
@@ -271,7 +271,6 @@
 libcxx/include/__compare/ordering.h
 libcxx/include/__compare/partial_order.h
 libcxx/include/__compare/strong_order.h
-libcxx/include/__compare/synth_three_way.h
 libcxx/include/__compare/three_way_comparable.h
 libcxx/include/__compare/weak_order.h
 libcxx/include/complex
Index: libcxx/include/list
===================================================================
--- libcxx/include/list
+++ libcxx/include/list
@@ -185,6 +185,7 @@
 
 #include <__algorithm/comp.h>
 #include <__algorithm/equal.h>
+#include <__compare/synth_three_way.h>
 #include <__algorithm/lexicographical_compare.h>
 #include <__algorithm/lexicographical_compare_three_way.h>
 #include <__algorithm/min.h>
@@ -2349,7 +2350,7 @@
 operator<=>(const list<_Tp, _Allocator>& __x, const list<_Tp, _Allocator>& __y)
 {
     return std::lexicographical_compare_three_way(
-        __x.begin(), __x.end(), __y.begin(), __y.end(), __synth_three_way);
+        __x.begin(), __x.end(), __y.begin(), __y.end(), std::__synth_three_way<_Tp, _Tp>);
 }
 
 #endif // _LIBCPP_STD_VER <= 17
Index: libcxx/include/compare
===================================================================
--- libcxx/include/compare
+++ libcxx/include/compare
@@ -151,6 +151,7 @@
 #include <__compare/ordering.h>
 #include <__compare/partial_order.h>
 #include <__compare/strong_order.h>
+#include <__compare/synth_three_way.h>
 #include <__compare/three_way_comparable.h>
 #include <__compare/weak_order.h>
 #include <__config>
Index: libcxx/include/__compare/synth_three_way.h
===================================================================
--- libcxx/include/__compare/synth_three_way.h
+++ libcxx/include/__compare/synth_three_way.h
@@ -25,21 +25,26 @@
 
 // [expos.only.func]
 
-_LIBCPP_HIDE_FROM_ABI inline constexpr auto __synth_three_way =
-  []<class _Tp, class _Up>(const _Tp& __t, const _Up& __u)
-    requires requires {
-      { __t < __u } -> __boolean_testable;
-      { __u < __t } -> __boolean_testable;
-    }
-  {
-    if constexpr (three_way_comparable_with<_Tp, _Up>) {
-      return __t <=> __u;
-    } else {
-      if (__t < __u) return weak_ordering::less;
-      if (__u < __t) return weak_ordering::greater;
-      return weak_ordering::equivalent;
-    }
-  };
+// TODO MODULES restore the lamba to match the Standard.
+//_LIBCPP_HIDE_FROM_ABI inline constexpr auto __synth_three_way =
+//  []<class _Tp, class _Up>(const _Tp& __t, const _Up& __u)
+template <class _Tp, class _Up>
+_LIBCPP_HIDE_FROM_ABI constexpr auto __synth_three_way(const _Tp& __t, const _Up& __u)
+  requires requires {
+    { __t < __u } -> __boolean_testable;
+    { __u < __t } -> __boolean_testable;
+  }
+{
+  if constexpr (three_way_comparable_with<_Tp, _Up>) {
+    return __t <=> __u;
+  } else {
+    if (__t < __u)
+      return weak_ordering::less;
+    if (__u < __t)
+      return weak_ordering::greater;
+    return weak_ordering::equivalent;
+  }
+}
 
 template <class _Tp, class _Up = _Tp>
 using __synth_three_way_result = decltype(std::__synth_three_way(std::declval<_Tp&>(), std::declval<_Up&>()));


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