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add features to std_allocator

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This commit is contained in:
Lev Nachmanson 2023-09-20 14:11:38 -07:00
parent f2a0ddb385
commit 9648793206
2 changed files with 11 additions and 1 deletions
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10
src/util/memory_manager.h
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@ -131,6 +131,10 @@ void dealloc_svect(T * ptr) {
template <typename T>
struct std_allocator {
using value_type = T;
// the constructors must be proveded according to cpp docs
std_allocator() = default;
template <class U> constexpr std_allocator(const std_allocator<U>&) noexcept {}
T* allocate(std::size_t n) {
return static_cast<T*>(memory::allocate(n * sizeof(T)));
@ -141,6 +145,12 @@ struct std_allocator {
}
};
// the comparison operators must be proveded according to cpp docs
template <class T, class U>
bool operator==(const std_allocator<T>&, const std_allocator<U>&) { return true; }
template <class T, class U>
bool operator!=(const std_allocator<T>&, const std_allocator<U>&) { return false; }
struct mem_stat {
};

2
src/util/vector.h
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@ -42,7 +42,7 @@ Revision History:
#endif
template <typename T>
class std_vector : public std::vector<T, std_allocator<T>> {};
using std_vector = std::vector<T, std_allocator<T>>;
#if 0