C++ std::string_view equivalent in D?

[Kagamin]

On Wednesday, 21 February 2018 at 09:21:58 UTC, 0xFFFFFFFF wrote:
> What is the equivalent of C++17 std::string_view (an object 
> that can refer to a constant contiguous sequence of char-like 
> objects with the first element of the sequence at position 
> zero) in D?
>
> PS: I'm getting back to D after years (since DMD 1 days). A lot 
> changes since v1.0.

Strings were always slices in D even in version 1.0, what's 
changed is that string data is immutable now - guaranteed to not 
change.