variadic.hpp

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// SPDX-License-Identifier: BSD-3-Clause
/* Copyright 2019, Intel Corporation */
 
#ifndef LIBPMEMOBJ_CPP_VARIADIC_HPP
#define LIBPMEMOBJ_CPP_VARIADIC_HPP
 
namespace pmem
{
 
namespace detail
{
 
/*
 * Checks if T is the same type as first type in Args.
 * General case (for sizeof...(Args) == 0).
 */
template <class T, class... Args>
struct is_first_arg_same {
    static constexpr bool value = false;
};
 
/*
 * Checks if T is the same type as first type in Args.
 * Specialization (for sizeof...(Args) > 0).
 */
template <class T, class FirstArg, class... Args>
struct is_first_arg_same<T, FirstArg, Args...> {
    static constexpr bool value = std::is_same<T, FirstArg>::value;
};
 
} /* namespace detail */
 
} /* namespace pmem */
 
#endif /* LIBPMEMOBJ_CPP_VARIADIC_HPP */