[Haskell-cafe] idea for avoiding temporaries

Dan Weston westondan at imageworks.com
Thu Mar 8 14:15:25 EST 2007

Or possibly more generally copy-on-write, which requires one more level 
of indirection (handle instead of ptr). Since you are talking about 
using ForeignPtr, this is already within your power to prototype, I 
should think.


Dan Piponi wrote:
> On 3/8/07, David Roundy <droundy at darcs.net> wrote:
>> I started wondering whether there's a solution that would allow us to 
>> write
>> pretty high-level pure functional code, while the RTS can realize at
>> run-time that we have the only reference to the input argument and 
>> that it
>> is therefore safe to consume it destructively.
> I think you're talking about uniqueness typing which is supported by
> the programming language Clean.
> -- 
> Dan
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