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Switches the HAL structs to use unique_ptr (#183)

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This commit is contained in:
Thad House
2016-07-20 22:05:17 -07:00
committed by Peter Johnson
parent 1ca291f20b
commit 0901ae0808
24 changed files with 188 additions and 230 deletions
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41
wpilibc/shared/include/Base.h
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@@ -7,6 +7,8 @@
#pragma once
#include "HAL/cpp/make_unique.h"
// MSVC 2013 doesn't allow "= default" on move constructors, but since we are
// (currently) only actually using the move constructors in non-MSVC situations
// (ie, wpilibC++Devices), we can just ignore it in MSVC.
@@ -76,42 +78,3 @@ struct HasBeenMoved {
std::atomic<bool> moved{false};
operator bool() const { return moved; }
};
// Define make_unique for C++11-only compilers
#if __cplusplus == 201103L
#include <stddef.h>
#include <memory>
#include <type_traits>
#include <utility>
namespace std {
template <class T>
struct _Unique_if {
typedef unique_ptr<T> _Single_object;
};
template <class T>
struct _Unique_if<T[]> {
typedef unique_ptr<T[]> _Unknown_bound;
};
template <class T, size_t N>
struct _Unique_if<T[N]> {
typedef void _Known_bound;
};
template <class T, class... Args>
typename _Unique_if<T>::_Single_object make_unique(Args&&... args) {
return unique_ptr<T>(new T(std::forward<Args>(args)...));
}
template <class T>
typename _Unique_if<T>::_Unknown_bound make_unique(size_t n) {
typedef typename remove_extent<T>::type U;
return unique_ptr<T>(new U[n]());
}
template <class T, class... Args>
typename _Unique_if<T>::_Known_bound make_unique(Args&&...) = delete;
} // namespace std
#endif