[Haskell-cafe] Alternative instance for non-backtracking parsers

Bryan Richter b at chreekat.net
Fri Aug 31 12:50:53 UTC 2018

On 08/30/2018 03:43 PM, Bardur Arantsson wrote:

> On 30/08/2018 20.21, Olaf Klinke wrote:
>>> Hello, Olaf. I have some distrust of elegant solutions (one of
>>> them are C.P. libs).
>> [*] To the parser experts on this list: How much time should
>> a parser take that processes a 50MB, 130000-line text file,
>> extracting 5 values (String, UTCTime, Int, Double) from each line?
> Not an expert, but for something as (relatively!) standard
> as CSV, I'd probably go for a specialized solution like
> 'cassava', which seems like it does quite well according to
> https://github.com/haskell-perf/csv

Playing the devil's advocate here....

If parser combinators aren't great for "relatively standard" things
such as CSV, then what *are* they good for?

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