Non-recursive maxSizeOf

[Per Nordlöw]

On Thursday, 6 August 2020 at 01:17:51 UTC, lithium iodate wrote:
> more love for phobos pls
>
> template maxSizeOf(T...)
> {
>     template sizeOf(T) { // doesn't exist in phobos?
>         enum sizeOf = T.sizeof;
>     }
>     enum size_t maxSizeOf = maxElement([staticMap!(sizeOf, T)]);
> }

`std.meta.staticMap` is defined recursively....