LWG-4487 Is member `is_steady` of a *Cpp17Clock* type required to be usable in constant expressions? It looks like we don't *have* to do anything here, but it would be best to make `is_clock` stricter (see how `_Layout_mapping_alike` is implemented).
LWG-4487 Is member
is_steadyof a Cpp17Clock type required to be usable in constant expressions?It looks like we don't have to do anything here, but it would be best to make
is_clockstricter (see how_Layout_mapping_alikeis implemented).