[PATCH] Add C++20 Traits for [Un]bounded Arrays (P1357R1)

[Jonathan Wakely]

On 06/03/19 12:13 +0000, Jonathan Wakely wrote:
>	 * include/std/type_traits [C++20] (is_bounded_array)
>	 (is_unbounded_array, is_bounded_array_v, is_unbounded_array_v):
>	 Define.
>	 * testsuite/20_util/is_bounded_array/requirements/
>	 explicit_instantiation.cc: New test.
>	 * testsuite/20_util/is_bounded_array/requirements/typedefs.cc: New
>	 test.
>	 * testsuite/20_util/is_bounded_array/value.cc: New test.
>	 * testsuite/20_util/is_unbounded_array/requirements/
>	 explicit_instantiation.cc: New test.
>	 * testsuite/20_util/is_unbounded_array/requirements/typedefs.cc: New
>	 * test.
>	 * testsuite/20_util/is_unbounded_array/value.cc: New test.

I forgot the feature test macro. I'll commit this after testing ...

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