[Haskell-cafe] Fwd: Abandoning String = [Char]?
bos at serpentine.com
Mon May 25 04:22:51 UTC 2015
On Fri, May 22, 2015 at 9:30 PM, David Feuer <david.feuer at gmail.com> wrote:
> It would probably work
> fine (great, even) when matching, but code that assumes String=[Char]
> would be completely killed on the construction side, because building
> Text by consing, or repeatedly prepending small chunks, is
> ridiculously inefficient.
Actually, pattern-matching against Text using synonyms doesn't do so well
performance-wise either. The unpack-on-the-left function is uncons, which
has to do work and allocate memory.
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