exchange.h

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#pragma once
 
#include "di/util/forward.h"
#include "di/util/move.h"
 
namespace di::util {
template<typename T, typename U = T>
constexpr auto exchange(T& object, U&& new_value) -> T {
    auto temp = util::move(object);
    object = util::forward<U>(new_value);
    return temp;
}
}
 
namespace di {
using util::exchange;
}