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#pragma once
#include "typetraits.h"
#include <util/system/types.h>
#include <cstring>
template <class T>
using TIfPOD = std::enable_if_t<TTypeTraits<T>::IsPod, T*>;
template <class T>
using TIfNotPOD = std::enable_if_t<!TTypeTraits<T>::IsPod, T*>;
template <class T>
static inline TIfPOD<T> MemCopy(T* to, const T* from, size_t n) noexcept {
if (n) {
memcpy(to, from, n * sizeof(T));
}
return to;
}
template <class T>
static inline TIfNotPOD<T> MemCopy(T* to, const T* from, size_t n) {
for (size_t i = 0; i < n; ++i) {
to[i] = from[i];
}
return to;
}
template <class T>
static inline TIfPOD<T> MemMove(T* to, const T* from, size_t n) noexcept {
if (n) {
memmove(to, from, n * sizeof(T));
}
return to;
}
template <class T>
static inline TIfNotPOD<T> MemMove(T* to, const T* from, size_t n) {
if (to <= from || to >= from + n) {
return MemCopy(to, from, n);
}
// copy backwards
while (n) {
to[n - 1] = from[n - 1];
--n;
}
return to;
}
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