throw_exception.h

 
//          Copyright John McFarlane 2018.
// Distributed under the Boost Software License, Version 1.0.
//    (See accompanying file ../LICENSE_1_0.txt or copy at
//          http://www.boost.org/LICENSE_1_0.txt)
 
#if !defined(CNL_THROW_EXCEPTION_H)
#define CNL_THROW_EXCEPTION_H
 
#include "abort.h"
#include "config.h"
 
#include <type_traits>
 
namespace cnl {
    namespace _impl {
        template<typename Result, class Exception>
        auto throw_exception(char const* message) -> Result
        {
#if defined(CNL_EXCEPTIONS_ENABLED)
            return true ? throw Exception(message) : Result{};
#else
            return abort<Result>(message);
#endif
        }
    }
}
 
#endif  // CNL_THROW_EXCEPTION_H