rfc: include bimap into Data.Either

[Henning Thielemann]

Am 19.04.2014 12:28, schrieb Tobias Florek:
>>    mapLeft = Control.Arrow.left
>>
>>    bimap = Control.Arrow.(+++)
>
> given arrowchoice, i withdraw my proposal. thank you for pointing me there.

You may turn it into a proposal for Hoogle. :-) For the type of mapLeft 
Hoogle lists only irrelevant results on the first page and for the type 
of bimap it does not list a result, at all.

http://www.haskell.org/hoogle/?hoogle=%28a-%3Eb%29+-%3E+Either+a+c+-%3E+Either+b+c
http://www.haskell.org/hoogle/?hoogle=%28a+-%3E+b%29+-%3E+%28c+-%3E+d%29+-%3E+Either+a+c+-%3E+Either+b+d