toml11/toml/utility.hpp

44 lines
864 B
C++

#ifndef TOML11_UTILITY
#define TOML11_UTILITY
#include "traits.hpp"
#include <utility>
#include <memory>
namespace toml
{
template<typename T, typename ... Ts>
inline std::unique_ptr<T> make_unique(Ts&& ... args)
{
return std::unique_ptr<T>(new T(std::forward<Ts>(args)...));
}
namespace detail
{
template<typename T>
inline void resize_impl(T& container, std::size_t N, std::true_type)
{
container.resize(N);
return ;
}
template<typename T>
inline void resize_impl(T& container, std::size_t N, std::false_type)
{
if(container.size() >= N) return;
else throw std::invalid_argument("not resizable type");
}
}
template<typename T>
inline void resize(T& container, std::size_t N)
{
if(container.size() == N) return;
else return detail::resize_impl(container, N, detail::has_resize_method<T>());
}
}// toml
#endif // TOML11_UTILITY