string_keyed.h

// © Joseph Cameron - MIT License
 
#ifndef GDK_GRAPHICS_STRING_KEYED_H
#define GDK_GRAPHICS_STRING_KEYED_H
 
#include <functional>
#include <string>
#include <string_view>
#include <unordered_map>
 
namespace gdk::graphics {
    struct transparent_string_hash final {
        using is_transparent = void;
 
        [[nodiscard]] std::size_t operator()(const std::string_view aName) const {
            return std::hash<std::string_view>{}(aName);
        }
    };

    template<typename value_type>
    using string_keyed = std::unordered_map<std::string, value_type,
        transparent_string_hash, std::equal_to<>>;
}
 
#endif