: 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
| C++ 20 Features | Implemented in |
|---|---|
| Concepts | |
| Core language concepts | |
| same_as |  |
| derived_from | |
| convertible_to |  |
| common_reference_with | |
| common_with | |
| integral | |
| signed_integral | |
| unsigned_integral | |
| floating_point | |
| assignable_from | |
| swappable | |
| swappable_with | |
| destructible | |
| constructible_from | |
| default_initializable | |
| move_constructible | |
| copy_constructible | |
| Comparison concepts | |
| equality_comparable | |
| equality_comparable_with | |
| totally_ordered | |
| totally_ordered_with | |
| Object concepts | |
| movable | |
| copyable | |
| semiregular | |
| regular | |
| Callable concepts | |
| invocable | |
| regular_invocable | |
| predicate | |
| relation | |
| equivalence_relation | |
| strict_weak_order | |
| Customization point objects | |
| ranges::swap | |