draconisplusplus/include/rfl/internal/is_literal.hpp

#ifndef RFL_INTERNAL_ISLITERAL_HPP_
#define RFL_INTERNAL_ISLITERAL_HPP_

#include <type_traits>

#include "../Literal.hpp"
#include "StringLiteral.hpp"

namespace rfl {
  namespace internal {

    template <class T>
    class is_literal;

    template <class T>
    class is_literal : public std::false_type {};

    template <StringLiteral... _s>
    class is_literal<Literal<_s...>> : public std::true_type {};

    template <class T>
    constexpr bool is_literal_v =
        is_literal<std::remove_cvref_t<std::remove_pointer_t<T>>>::value;

  } // namespace internal
} // namespace rfl

#endif