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Update memory.h

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blueloveTH 2023-02-05 04:17:40 +08:00
parent f503484daa
commit c2c7630320
1 changed files with 2 additions and 1 deletions
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src/memory.h
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@ -69,7 +69,8 @@ namespace pkpy{
template <typename T, typename U, typename... Args> template <typename T, typename U, typename... Args>
shared_ptr<T> make_shared(Args&&... args) { shared_ptr<T> make_shared(Args&&... args) {
static_assert(std::is_base_of<T, U>::value, "U must be derived from T"); static_assert(std::is_base_of_v<T, U>, "U must be derived from T");
static_assert(std::has_virtual_destructor_v<T>, "T must have virtual destructor");
int* p = (int*)malloc(sizeof(int) + sizeof(U)); int* p = (int*)malloc(sizeof(int) + sizeof(U));
*p = 1; *p = 1;
new(p+1) U(std::forward<Args>(args)...); new(p+1) U(std::forward<Args>(args)...);