Hashing's not low-level. It would be great if these did CTFE; generating compile-time hashes is a thing that would be really useful! Right here, I have a string class that carries a hash around with it for comparison reasons. Such string literals would prefer to have CT hashes.
On 31 May 2018 at 15:40, Jonathan M Davis via Digitalmars-d <digitalmars-d@puremagic.com> wrote: > On Thursday, May 31, 2018 14:29:13 Manu via Digitalmars-d wrote: >> "CTFE >> Digests do not work in CTFE" >> >> >> That's an unfortunate limitation... why is, those things? :( > > If I had to guess without looking at the code? I would guess that it's doing > various casts to hash stuff, and no kind of reintpret cast is allowed in > CTFE. But really, you'd have to actually run the code, see what works and > what doesn't, and look at each error you get when it doesn't to see what > it's doing that can't be done during CTFE. Depending on what it's doing, it > may be possible to make it work during CTFE, or it may not. CTFE can do a > lot, but there's also a lot that it can't do - especially if you start doing > anything low level. > > - Jonathan M Davis >