Re: [Haskell-cafe] ANNOUNCE slot-lambda

Understood and actually I forgot you can not use "_", so why not a symbol which don't look like a number? On 7 April 2014 22:16, Tom Ellis < tom-lists-haskell-cafe-2013@jaguarpaw.co.uk> wrote:

On Tue, Apr 08, 2014 at 03:58:30AM +0700, Kim-Ee Yeoh wrote:

...

On Mon, Apr 7, 2014 at 11:02 PM, ducis wrote:

...

It lets your write lambdas with 'slots' without inventing names for the parameters.

[s| ı + ı |] = \x y -> x+y

I have no background in this 'slot lambda' and a search reveals this package as the only hit.

Which may explain why I find the example given confusing. Why would [s| 1+1 |] not be equivalent to \x->x+x ?

Because each slot stands for a new variable. _______________________________________________ Haskell-Cafe mailing list Haskell-Cafe@haskell.org http://www.haskell.org/mailman/listinfo/haskell-cafe

-- *Alois Cochard* http://aloiscochard.blogspot.com http://twitter.com/aloiscochard http://github.com/aloiscochard