#pragma once

#include <utility>
#include <type_traits>
#include <functional>


namespace cruft::hash {
    // A trivial adapter around the `std::hash` that avoids the need to
    // specify the type up front.
    //
    // Useful as a component in more complex hash objects (eg, hash::tuple)
    struct std {
        template <typename ValueT>
        auto operator () (ValueT &&val) const
        {
            using inner_t = ::std::remove_cvref_t<ValueT>;
            return ::std::hash<inner_t> {} (::std::forward<ValueT> (val));
        }
    };
}