[Issue 5714] case ranges in final switches

[d-bugmail at puremagic.com]

https://issues.dlang.org/show_bug.cgi?id=5714

Nick Treleaven <nick at geany.org> changed:

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                 CC|                            |nick at geany.org

--- Comment #4 from Nick Treleaven <nick at geany.org> ---
(In reply to Andrej Mitrovic from comment #1)
> And it also limits the number of cases to 256 (for optimization purposes?).
> 
> So a final switch would only work on byte-types.

See issue 15279 which seems to be an implementation issue rather than a design
decision (the pull comment suggests lowering case range statements to an
if/else instead).

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