From 67418a1aeee9035234d304b5e9653b832488dd66 Mon Sep 17 00:00:00 2001 From: Shauren Date: Sun, 23 Feb 2025 11:33:53 +0100 Subject: Core/Utils: Added map key/value utility projections for std::ranges algorithms --- src/common/Containers/Utilities/MapUtils.h | 11 +++++++++++ 1 file changed, 11 insertions(+) (limited to 'src/common/Containers/Utilities/MapUtils.h') diff --git a/src/common/Containers/Utilities/MapUtils.h b/src/common/Containers/Utilities/MapUtils.h index cb76a9d0579..e4cf6309bef 100644 --- a/src/common/Containers/Utilities/MapUtils.h +++ b/src/common/Containers/Utilities/MapUtils.h @@ -65,5 +65,16 @@ void MultimapErasePair(M& multimap, typename M::key_type const& key, typename M: ++itr; } } + +/** + * Map key projection for various std::ranges algorithms + */ +inline constexpr auto MapKey = [](Pair&& pair) constexpr -> decltype(auto) { return (std::forward(pair).first); /*Parentheses required for decltype(auto) to deduce a reference*/ }; + +/** + * Map value projection for various std::ranges algorithms + */ +inline constexpr auto MapValue = [](Pair&& pair) constexpr -> decltype(auto) { return (std::forward(pair).second); /*Parentheses required for decltype(auto) to deduce a reference*/ +}; } #endif // TRINITYCORE_MAP_UTILS_H -- cgit v1.2.3