hash/tuple: add is_transparent

2023-07-25 10:00:45 +10:00 · 2023-07-25 10:00:45 +10:00 · de40f961e3
parent e02a4e2594
commit de40f961e3
1 changed files with 2 additions and 0 deletions
--- a/hash/tuple.hpp
+++ b/hash/tuple.hpp
@ -17,6 +17,8 @@ namespace cruft::hash {
    >
    class tuple {
    public:
+        using is_transparent = void;
+
        template <typename ...ValueT>
        auto
        operator() (std::tuple<ValueT...> const &val) const