<commit_before>#pragma once


#include <utility>


namespace mart {
	template<class T, class U = T>
	T exchange(T& obj, U&& new_value)
	{
		T old_value = std::move(obj);
		obj = std::forward<U>(new_value);
		return old_value;
	}
}
<commit_msg>Note origin of mart::exchange source code<commit_after>#pragma once


#include <utility>


namespace mart {
	//from cppreference.com
	template<class T, class U = T>
	T exchange(T& obj, U&& new_value)
	{
		T old_value = std::move(obj);
		obj = std::forward<U>(new_value);
		return old_value;
	}
}

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{'dir': 'git-commits-cleaned', 'id': '2437048', 'n_tokens_mistral': 216, 'n_tokens_neox': 204, 'n_words': 53}