[Haskell] Re: [Haskell-cafe] Why functional programming matters

[Johannes Waldmann]

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> Actually, come to think of it, one great way to show off the language is
> to show off the power of some of the libraries that have been written.
> For example, show how easily a parser can  be created w/ Parsec; [...]

yes, Parsec is amazing. I use it in my e-Learning/testing system.
It uses Parsec to read (student) input from a text entry area in a CGI
application.
http://www.imn.htwk-leipzig.de/~waldmann/autotool/

Parsec shows the benefits of embedding a DSL into Haskell:
it gives you full combinatorial power:
in types (e.g. lists of parser) and functions (e.g. from parser to parser),
and all that with full safety.

best regards, Johannes
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