C++ 14  | 
__cpp_lib_chrono_udls
  | 
201304L
  | 
__cpp_lib_complex_udls
  | 
201309L
  | 
__cpp_lib_exchange_function
  | 
201304L
  | 
__cpp_lib_generic_associative_lookup
  | 
201304L
  | 
__cpp_lib_integer_sequence
  | 
201304L
  | 
__cpp_lib_integral_constant_callable
  | 
201304L
  | 
__cpp_lib_is_final
  | 
201402L
  | 
__cpp_lib_is_null_pointer
  | 
201309L
  | 
__cpp_lib_make_reverse_iterator
  | 
201402L
  | 
__cpp_lib_make_unique
  | 
201304L
  | 
__cpp_lib_null_iterators
  | 
201304L
  | 
__cpp_lib_quoted_string_io
  | 
201304L
  | 
__cpp_lib_result_of_sfinae
  | 
201210L
  | 
__cpp_lib_robust_nonmodifying_seq_ops
  | 
201304L
  | 
__cpp_lib_shared_timed_mutex
  | 
201402L
  | 
__cpp_lib_string_udls
  | 
201304L
  | 
__cpp_lib_transformation_trait_aliases
  | 
201304L
  | 
__cpp_lib_transparent_operators
  | 
201210L
  | 
__cpp_lib_tuple_element_t
  | 
201402L
  | 
__cpp_lib_tuples_by_type
  | 
201304L
  | 
C++ 17  | 
__cpp_lib_addressof_constexpr
  | 
201603L
  | 
__cpp_lib_allocator_traits_is_always_equal
  | 
201411L
  | 
__cpp_lib_any
  | 
201606L
  | 
__cpp_lib_apply
  | 
201603L
  | 
__cpp_lib_array_constexpr
  | 
201603L
  | 
__cpp_lib_as_const
  | 
201510L
  | 
__cpp_lib_atomic_is_always_lock_free
  | 
201603L
  | 
__cpp_lib_bool_constant
  | 
201505L
  | 
__cpp_lib_boyer_moore_searcher
  | 
unimplemented  | 
__cpp_lib_byte
  | 
201603L
  | 
__cpp_lib_chrono
  | 
201611L
  | 
__cpp_lib_clamp
  | 
201603L
  | 
__cpp_lib_enable_shared_from_this
  | 
201603L
  | 
__cpp_lib_execution
  | 
unimplemented  | 
__cpp_lib_filesystem
  | 
201703L
  | 
__cpp_lib_gcd_lcm
  | 
201606L
  | 
__cpp_lib_hardware_interference_size
  | 
unimplemented  | 
__cpp_lib_has_unique_object_representations
  | 
201606L
  | 
__cpp_lib_hypot
  | 
201603L
  | 
__cpp_lib_incomplete_container_elements
  | 
201505L
  | 
__cpp_lib_invoke
  | 
201411L
  | 
__cpp_lib_is_aggregate
  | 
201703L
  | 
__cpp_lib_is_invocable
  | 
201703L
  | 
__cpp_lib_is_swappable
  | 
201603L
  | 
__cpp_lib_launder
  | 
201606L
  | 
__cpp_lib_logical_traits
  | 
201510L
  | 
__cpp_lib_make_from_tuple
  | 
201606L
  | 
__cpp_lib_map_try_emplace
  | 
201411L
  | 
__cpp_lib_math_special_functions
  | 
unimplemented  | 
__cpp_lib_memory_resource
  | 
unimplemented  | 
__cpp_lib_node_extract
  | 
201606L
  | 
__cpp_lib_nonmember_container_access
  | 
201411L
  | 
__cpp_lib_not_fn
  | 
201603L
  | 
__cpp_lib_optional
  | 
201606L
  | 
__cpp_lib_parallel_algorithm
  | 
unimplemented  | 
__cpp_lib_raw_memory_algorithms
  | 
201606L
  | 
__cpp_lib_sample
  | 
201603L
  | 
__cpp_lib_scoped_lock
  | 
201703L
  | 
__cpp_lib_shared_mutex
  | 
201505L
  | 
__cpp_lib_shared_ptr_arrays
  | 
unimplemented  | 
__cpp_lib_shared_ptr_weak_type
  | 
201606L
  | 
__cpp_lib_string_view
  | 
201606L
  | 
__cpp_lib_to_chars
  | 
unimplemented  | 
__cpp_lib_transparent_operators
  | 
201510L
  | 
__cpp_lib_type_trait_variable_templates
  | 
201510L
  | 
__cpp_lib_uncaught_exceptions
  | 
201411L
  | 
__cpp_lib_unordered_map_try_emplace
  | 
201411L
  | 
__cpp_lib_variant
  | 
201606L
  | 
__cpp_lib_void_t
  | 
201411L
  | 
C++ 2a  | 
__cpp_lib_array_constexpr
  | 
201811L
  | 
__cpp_lib_atomic_ref
  | 
unimplemented  | 
__cpp_lib_bind_front
  | 
unimplemented  | 
__cpp_lib_bit_cast
  | 
unimplemented  | 
__cpp_lib_char8_t
  | 
201811L
  | 
__cpp_lib_concepts
  | 
unimplemented  | 
__cpp_lib_constexpr_misc
  | 
unimplemented  | 
__cpp_lib_constexpr_swap_algorithms
  | 
unimplemented  | 
__cpp_lib_destroying_delete
  | 
201806L
  | 
__cpp_lib_endian
  | 
201907L
  | 
__cpp_lib_erase_if
  | 
202002L
  | 
__cpp_lib_generic_unordered_lookup
  | 
unimplemented  | 
__cpp_lib_interpolate
  | 
201902L
  | 
__cpp_lib_is_constant_evaluated
  | 
201811L
  | 
__cpp_lib_list_remove_return_type
  | 
201806L
  | 
__cpp_lib_math_constants
  | 
201907L
  | 
__cpp_lib_ranges
  | 
unimplemented  | 
__cpp_lib_span
  | 
202002L
  | 
__cpp_lib_three_way_comparison
  | 
unimplemented  | 
__cpp_lib_to_array
  | 
201907L
  |