Re: [Ocaml-lib-devel] ExtArray?

[Richard W. M. J. <ri...@me...>]

On Thu, Nov 24, 2005 at 03:56:20PM +0000, Amit Dubey wrote:
> > Array.filter
> > > Array.find_all
> > > Array.partition
> > >
> > > Would these return lists or arrays?
> >
> > I think it's better to return arrays, but what do people think about
> > that?
> 
> Actually, I agree it makes complete sense for partition.  As I think about
> it, I think filter and find_all should be different.  find_all should return
> a list, and filter should return an array.  And possibly, filter should be
> defined in terms of find_all.

Perhaps you can share your thinking on this :-)

I think the principle of least surprise is going to be that
Array.filter should return an array - this is surely what users would
expect.  The problem will be in the implementation which may require
two passes -- it could be solved better if there was a truncation
primitive for arrays.

Rich.

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