[Haskell-cafe] Examples for the problem

Stephen Tetley stephen.tetley at gmail.com
Wed Mar 2 18:51:11 CET 2011

Actually this is stranger than I thought - from testing it seems like
Attoparsec's (<|>) is different to Parsec's. From what I'm seeing
Attoparsec appears to do a full back track for (<|>) regardless of
whether the string lexer is wrapped in try, whereas Parsec needs try
to backtrack.

On 2 March 2011 16:24, Stephen Tetley <stephen.tetley at gmail.com> wrote:

> *try* means backtrack on failure, and try the next parser. So if you
> want ill formed strings to throw an error if they aren't properly
> enclosed in double quotes don't use try.

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