On Sunday, 1 April 2018 at 05:27:38 UTC, Uknown wrote: > [...] > > I knew I was missing something. Fixed it, thanks > > https://run.dlang.io/is/tZeZrP Sorry for the spam, but I also managed to miss `immutable`, `const` and when T has mutable indirections Final version that I'm sure covers all the cases: https://run.dlang.io/is/kGoU4X