: Cannot implement with language itself. Need compiler support. Used C++ N STL
: Partially implemented with C++ N
: Fully implemented with C++ N
: Not yet implemented
| Features | Standard | Implemented in |
|---|---|---|
| Classes | ||
| Pointer traits | ||
| pointer_traits |  |
|
| Garbage collector support | ||
|
Removed in C++23 | |
| Allocators | ||
| allocator |  |
|
| allocator_traits | |
* |
| allocation_result |  |
|
| allocator_arg_t | |
|
| uses_allocator | |
|
| Uninitialized storage | ||
|
Removed in C++20 | |
| Smart pointers | ||
| unique_ptr | |
|
| shared_ptr | |
 |
| weak_ptr | |
|
|
Removed in C++17 | |
| Helper classes | ||
| ss::atomic<ss::shared_ptr> |  |
|
| ss::atomic<ss::weak_ptr> | |
|
| owner_less | |
|
| enable_shared_from_this | |
|
| bad_weak_ptr | |
|
| default_delete | |
|
| ss::hash<ss::unique_ptr> | |
|
| ss::hash<ss::shared_ptr> | |
|
| Smart pointer adaptors | ||
| out_ptr_t | |
|
| inout_ptr_t | |
|
| Forward declarations | ||
| hash (defined in header functional) | |
|
| inout_ptr_t (defined in header atomic) | |
|
| Constants | ||
| allocator_arg | |
|
| Functions | ||
| Allocators | ||
| allocate_at_least | |
|
| Miscellaneous | ||
| to_address | |
|
| addressof | |
|
| align | |
|
| assume_aligned | |
|
| Garbage collector support | ||
|
Removed in C++23 | |
|
Removed in C++23 | |
|
Removed in C++23 | |
|
Removed in C++23 | |
|
Removed in C++23 | |
| Uninitialized storage | ||
| uninitialized_copy | |
|
| uninitialized_copy_n | |
|
| uninitialized_fill | |
|
| uninitialized_fill_n | |
|
| uninitialized_move |  |
|
| uninitialized_move_n | |
|
| uninitialized_default_construct | |
|
| uninitialized_default_construct_n | |
|
| uninitialized_value_construct | |
|
| uninitialized_value_construct_n | |
|
| construct_at | |
|
| destroy_at | |
|
| destroy | |
|
| destroy_n | |
|
|
Removed in C++20 | |
|
Removed in C++20 | |
| Smart pointer non-member operations | ||
| make_unique make_unique_for_overwrite |
 |
|
| operator== operator!= operator< operator<= operator> operator>= operator<=> |
|
(unique_ptr) |
| make_shared make_shared_for_overwrite |
|
|
| allocate_shared allocate_shared_for_overwrite |
|
|
| static_pointer_cast dynamic_pointer_cast const_pointer_cast reinterpret_pointer_cast |
|
|
| get_deleter | |
|
| operator== operator<=> |
|
(shared_ptr) |
| operator<< | |
|
| ss::swap(ss::unique_ptr) | |
|
| ss::swap(ss::weak_ptr) | |
|
| Smart pointer adaptor creation | ||
| ss::swap(ss::shared_ptr) | |
|
| out_ptr | |
|
| inout_ptr | |
|
|
Deprecated in C++20 | |
| FUnction-like entities | Defined in namespace ss::ranges | |
| Uninitialized storage | ||
| ranges::uninitialized_copy | |
|
| ranges::uninitialized_copy_n | |
|
| ranges::uninitialized_fill | |
|
| ranges::uninitialized_fill_n | |
|
| ranges::uninitialized_move | |
|
| ranges::uninitialized_move_n | |
|
| ranges::uninitialized_default_construct | |
|
| ranges::uninitialized_default_construct_n | |
|
| ranges::uninitialized_value_construct | |
|
| ranges::uninitialized_value_construct_n | |
|
| ranges::uninitialized_construct_at | |
|
| ranges::uninitialized_destroy_at | |
|
| ranges::uninitialized_destroy | |
|
| ranges::uninitialized_destroy_n | |
|
* Used std::numeric_limits