Proposal: flipped fmap in base (again)
Bas van Dijk
v.dijk.bas at gmail.com
Sat Feb 18 09:09:22 UTC 2017
I'm still in favour of this so a +1 from me.
For completeness, your proposal should also specify from which module this
will be exported and what the fixity and precedence will be.
Bas
Op 18 feb. 2017 05:41 schreef "Siddhanathan Shanmugam" <
siddhanathan+eml at gmail.com>:
This was proposed about 7 years ago, and rejected at the time:
https://ghc.haskell.org/trac/ghc/ticket/3962
Is it okay if I revive this argument now?
I think it would be useful to have the lens operator <&> in base, which is
defined as:
(<&>) :: Functor f => f a -> (a -> b) -> f b
as <&> f = f <$> as
This is analogous to a lifted version of (&) that already present in
Data.Function
Cheers,
Sid
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