[libcxx-commits] [libcxx] [libc++] Update container adaptors' type verification tests (PR #224810)

Hristo Hristov via libcxx-commits libcxx-commits at lists.llvm.org
Sat Sep 19 19:26:46 PDT 2026


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@@ -85,8 +85,10 @@ class flat_map {
   template <class, class, class, class, class>
   friend class flat_map;
 
-  static_assert(is_same_v<_Key, typename _KeyContainer::value_type>);
-  static_assert(is_same_v<_Tp, typename _MappedContainer::value_type>);
+  static_assert(is_same_v<_Key, typename _KeyContainer::value_type>,
+                "The stored elements key type must match the underlying container's key value_type.");
+  static_assert(is_same_v<_Tp, typename _MappedContainer::value_type>,
+                "The stored elements mapped type must match the underlying container's mapped value_type.");
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Zingam wrote:

Sorry for the mess-up.

https://github.com/llvm/llvm-project/pull/224810


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