[Haskell-cafe] Proposal: New syntax for Haskell

[sumit mahamuni]

On Sep 10, 2013 3:25 PM, "AlanKim Zimmerman" <alan.zimm at gmail.com> wrote:
>
> I think the normal motivation for cucumber syntax is that it is a way to
communicate requirements with non-technical people.

+1
>
>
> On Tue, Sep 10, 2013 at 11:48 AM, John Wiegley <johnw at fpcomplete.com>
wrote:
>>
>> >>>>> Niklas Hambüchen <mail at nh2.me> writes:
>>
>> > Code written in cucumber syntax is concise and easy to read
>>
>>     concise |kənˈsīs|, adj.
>>
>>     giving a lot of information clearly and in a few words; brief but
>>     comprehensive.
>>
>> Compare:
>>
>>     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
>>
>> To:
>>
>>     foldl :: (a -> b -> a) -> a -> [b] -> a
>>     foldl f z []     = z
>>     foldl f z (x:xs) = foldl f (f z x) xs
>>
>> How is that more concise or preferable?
>>
>> --
>> John Wiegley
>> FP Complete                         Haskell tools, training and
consulting
>> http://fpcomplete.com               johnw on #haskell/irc.freenode.net
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>
>
>
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