Sorry, I meant the magic of resizing the array. Sorry, I did not want to suggest variables get rebound.
But I now see there's even a resize!() for 1d arrays, but I don't see how I could use that for d>1. ---david On Wednesday, December 18, 2013 11:43:10 PM UTC+1, Stefan Karpinski wrote: > > There's no magic. No variable is ever rebound by a function call. Period. > > > On Wed, Dec 18, 2013 at 5:32 PM, David van Leeuwen > <[email protected]<javascript:> > > wrote: > >> Hi, >> >> >> On Wednesday, December 18, 2013 3:00:44 AM UTC+1, Steven G. Johnson wrote: >>> >>> On Monday, December 16, 2013 6:08:40 PM UTC-5, David van Leeuwen wrote: >>>> >>>> I've been wondering if it is possible to write a pass-by-reference >>>> function that alters the size of an array. >>>> >>> >>> To answer your original question, yes it is possible. See, for example, >>> the push! function in the standard library. However, as Stefan pointed >>> out, this is not what your code is doing. >>> >> >> Thanks, I mentioned that in the original post. push! relies on a Ccall >> that does the magic. >> >> The "solution" I use right now is to embed the array in something else >> (another array or a type), so that a change of binding inside appears like >> the change of the object itself, but obviously there is a complete creation >> of a new array and the release of the old one. Something like >> >> ---david >> > >
