Proposal: Data.Stream

[Stefan O'Rear]

On Fri, Jul 13, 2007 at 11:18:27AM +1000, Donald Bruce Stewart wrote:
> igloo:
> > On Mon, Jul 09, 2007 at 03:38:56PM +0200, Wouter Swierstra wrote:
> > > 
> > > * Hackage homepage: http://hackage.haskell.org/cgi-bin/hackage-scripts/package/Stream-0.1
> > > 
> > > fairly uncontroversial, and would like to see it added to base (I  
> > > realize that there are also proposals to clean up base to speed up  
> > > the build of ghc),
> > 
> > Yes indeed; I don't see any reason for adding this to the base library
> > while we're trying to make base smaller.
> > 
> > > or at least, the standard libraries.
> > 
> > I'm not sure what you mean by "the standard libraries". It wouldn't be
> > needed to build GHC, so it wouldn't be a GHC "core lib".
> > 
> > Other than that, if it's in hackage then it's as standard as any other
> > library!
> > 
> > A "stream" (or "colist" or whatever) package seems reasonable to me.
> > 
> > 
> > (The http://www.cse.unsw.edu.au/~dons/code/streams/list/Data/Stream.hs
> > module also looks too specific to use such a generic name, in my
> > opinion).
> > 
> 
> Yes, I agree. Probably if it will be the base for fusion in ndp arrays,
> bytestrings and lists, we can find a tag to put between Data.* and
> *.Stream.

What does Data. mean in a language where almost everything is a data
type?  I think we should move abolish that subtree entirely, moving the
major subtrees (Binary, Generics, Array, ...) to top level, and creating
a bunch of new categories (Numeric, Collection, etc) for the remaining
modules.  (ByteString can go in Text)

Stefan
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