[Haskell-beginners] tuple update

[Thomas Davie]

first ofc also being known as fmap.

Bob
if (*ra4 != 0xffc78948) { return false; }

On 9 Mar 2012, at 19:09, Brent Yorgey wrote:

> On Fri, Mar 09, 2012 at 09:07:24PM +0200, Ovidiu Deac wrote:
>> Does anybody know if there are any functions like these in the Haskell
>> libray?
>> 
>> updateSnd f (x,y) -> (x, f y)
>> 
>> updateFst f (x,y) -> (f x, y)
> 
> Yes: 'first' and 'second' from Control.Arrow.
> 
> -Brent
> 
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