[Haskell-cafe] Pointfree composition for higher arity
Henning Thielemann
lemming at henning-thielemann.de
Mon Feb 22 13:28:46 EST 2010
On Wed, 17 Feb 2010, Neil Brown wrote:
> I very often write this too (wanting function composition, but with a
> two-argument function on the right hand side). The trick I picked up from
> somewhere is to do:
>
> fun = (runFun .) . someFun someDefault
>
> I'm not too keen on that, as it seems clumsy. I often end up writing the
> operator that you describe, but have never settled on a consistent name
> (since the obvious one to me, (..), is taken).
Maybe helpful:
http://www.haskell.org/haskellwiki/Composing_functions_with_multiple_values
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