On Tuesday, 15 August 2023 at 21:24:34 UTC, sighoya wrote: > On Tuesday, 15 August 2023 at 10:54:52 UTC, H. S. Teoh wrote: >> >> `is(T)` is standard idiom for checking whether T is a valid >> type. > > Thanks. > > Though, is there any case where it wouldn't be a valid type? See: https://dlang.org/spec/expression.html#is-type