Re: RFC Draft: Comprehensions

> > In python comprehensions on [] makes a list and comprehensions in {} > > make a dictionary (list and dict comprehensions). As PHP only has one > > 'array' type using [] makes sense. Along that train of thought, should > > comprehensions also be possible in the old array() syntax? > > Honestly, I cannot think of any case where I'd use a comprehension where I would > definitely want an array and not a generator. In the majority case both work equally well, cool, > but I don't know when I would even use an array-dependent version. And converting from a > generator to an array is trivial; the other way, very not so much. > Would there be any notable performance difference? I'd expect the case where one actually wanted the whole array to be slower if it was going through a generator, vs a tight loop, due to the additional level of indirection.