[libcxx-commits] [libcxx] [libc++][chrono] P2592R3: Hashing for chrono (PR #165132)

[A. Jiang via libcxx-commits]

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@@ -13,6 +13,7 @@
 #include <__compare/ordering.h>
 #include <__compare/three_way_comparable.h>
 #include <__config>
+#include <__functional/hash.h>
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frederick-vs-ja wrote:

Perhaps we should go for the second approach. The first one is likely to raise ODR violation.

https://github.com/llvm/llvm-project/pull/165132