bsnes/supergameboy/nall/utility.hpp

42 lines
1005 B
C++

#ifndef NALL_UTILITY_HPP
#define NALL_UTILITY_HPP
#include <nall/traits.hpp>
namespace nall {
template<typename T> struct identity {
typedef T type;
};
template<typename T> typename remove_reference<T>::type&& move(T &&value) {
return value;
}
template<typename T> T&& forward(typename identity<T>::type &&value) {
return value;
}
template<bool C, typename T = bool> struct enable_if { typedef T type; };
template<typename T> struct enable_if<false, T> {};
template<typename C, typename T = bool> struct mp_enable_if : enable_if<C::value, T> {};
template<typename T> inline void swap(T &x, T &y) {
T temp(move(x));
x = move(y);
y = move(temp);
}
template<typename T> struct base_from_member {
T value;
base_from_member(T value_) : value(value_) {}
};
template<typename T> inline T* allocate(size_t size, const T &value) {
T *array = new T[size];
for(size_t i = 0; i < size; i++) array[i] = value;
return array;
}
}
#endif