[Haskell-cafe] Syntax proposal for "reverse apply"/"pipeline apply" (flip ($))
alexey.muranov at gmail.com
Fri Apr 18 08:13:33 UTC 2014
On 17 avr. 2014, at 22:24, Edward Kmett <ekmett at gmail.com> wrote:
> * (|) is already stolen for syntax, so the pairing, while a powerful mnemonic, can't be used at all here.
> * (#) collides with the use of (#) in MagicHash, so you get uncomfortable cases where you need to throw in a space.
> * (&) can be read off as "and then". (#) has no such obvious reading and is just more line noise someone has to learn.
Thanks for the explanation. Maybe some Wiki page with a list of syntax and fixity proposals, explanations, comments, and votes could be made for this?
One more idea: how about '>-' for 'flip ($)' and '-<' for '$', by analogy with '>>=' and '=<<'?
y = 3 >- \x -> x * x -- y == 9
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