[Haskell-cafe] Proposal: New syntax for Haskell

[Daisuke Fujimura]

To be exact, the syntax is Gherkin not cucumber.
https://github.com/cucumber/cucumber/wiki/Gherkin

And, there's already a library to run specs written in Gherkin.
https://github.com/marcotmarcot/chuchu


On Tue, Sep 10, 2013 at 7:08 PM, Edward Z. Yang <ezyang at mit.edu> wrote:

> This is completely irrelevant, but the .chs extension is
> already taken by the c2hs tool.
>
> Cheers,
> Edward
>
> Excerpts from Niklas Hambüchen's message of Tue Sep 10 00:30:41 -0700 2013
> :
> > Impressed by the productivity of my Ruby-writing friends, I have
> > recently come across Cucumber: http://cukes.info
> >
> >
> > It is a great tool for specifying tests and programs in natural
> > language, and especially easy to learn for beginners.
> >
> > I propose that we add a Cucumber syntax for Haskell, with the extension
> > ".chs", next to .hs and .lhs.
> >
> >
> > Code written in cucumber syntax is concise and easy to read: You can
> > find some example code in https://gist.github.com/nh2/6505995. Quoting
> > from that:
> >
> >   Feature: The Data.List module
> >
> >     In order to be able to use lists
> >     As a programmer
> >     I want a module that defines list functions
> >
> >     Scenario: Defining the function foldl
> >       Given I want do define foldl
> >       Which has the type (in brackets) a to b to a (end of brackets),
> >                          to a, to list of b, to a
> >       And my arguments are called f, acc, and l
> >       When l is empty
> >       Then the result better be acc
> >       Otherwise l is x cons xs
> >       Then the result should be foldl f (in brackets) f acc x
> >                                 (end of brackets) xs
> >
> >
> > PS: People even already started a testing framework for Haskell in it:
> > https://github.com/sol/cucumber-haskell#cucumber-for-haskell
> >
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