What features of D are you using now which you thought you'd never goint to use?

H. S. Teoh hsteoh at quickfur.ath.cx
Sat Jun 22 15:55:24 PDT 2013


On Sat, Jun 22, 2013 at 10:57:53PM +0200, Jacob Carlborg wrote:
> On 2013-06-22 18:40, H. S. Teoh wrote:
> 
> >Yeah that one made my eyes glaze over. I still have trouble wrapping my
> >brain around the strange syntax of is(), and why its diverse uses have
> >been shoehorned into deceptively similar syntax.
> 
> Isn't quite a lot of the is-expression features undocumented?
[...]

Really? Well, even if so, the cases that *are* currently documented
share a lot of syntax, but aren't necessarily related in a way that the
syntax might imply. This is very confusing. One example that comes to
mind is using is(T _ == U) instead of is(T == U). I'm guessing most
people don't even know what the difference is, or why a dummy identifier
_ has to be added.


T

-- 
Let's call it an accidental feature. -- Larry Wall


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