resize.hpp

Go to the documentation of this file.

# /*
#  * Created by YongGyu Lee on 2020/12/08.
#  */
#
# ifndef VCCC_TYPE_RESIZE_HPP
# define VCCC_TYPE_RESIZE_HPP
#
# include "vccc/type_traits.hpp"
# include "vccc/__type_support/convert_to.hpp"
 
namespace vccc {
 
 
# if VCCC_USE_OPENCV_FEATURES
template<int new_size, typename T, int old_size>
inline auto resize(const cv::Vec<T, old_size>& from)
{
  return convert_to<cv::Vec<T, new_size>>(from);
}
# endif
 
template<int new_size, typename T, typename = void_t<decltype(std::declval<T>().resize(new_size))>>
inline decltype(auto) resize(T&& t)
{
  auto copy_or_same = std::forward<T>(t);
  copy_or_same.resize(new_size);
  return copy_or_same;
}
 
 
} // namespace vccc
 
# endif // VCCC_TYPE_RESIZE_HPP