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2020-11-02 07:56:11 <danso> i suspect the same as you. what else would it be? @? #? ~?
2020-11-02 07:56:17 vicfred joins (~vicfred@unaffiliated/vicfred)
2020-11-02 07:56:32 <dminuoso> So what you're left with is #, $ and &
2020-11-02 07:56:42 <danso> @-patterns were only added into ghc in the last few years, i think
2020-11-02 07:56:42 <lambdabot> Unknown command, try @list
2020-11-02 07:56:50 <dminuoso> Oh, then include @ in that list
2020-11-02 07:57:02 <danso> $ definitely predates it by at least 15 years
2020-11-02 07:57:04 <dminuoso> Out of those, perhaps $ renders less widely and reads better than the rest.
2020-11-02 07:57:19 <energizer> coulda been `??` ?
2020-11-02 07:57:25 <dminuoso> Sure, could have.
2020-11-02 07:57:45 <dminuoso> But then you'd ask "why chose ?? and not $" :)
2020-11-02 07:57:51 <energizer> heheh
2020-11-02 07:58:09 <danso> is ? actually used for anything other than implicit params?
2020-11-02 07:58:23 <danso> it might not be an allowed operator character
2020-11-02 07:58:29 <dminuoso> % f ? g = f + g
2020-11-02 07:58:29 <yahb> dminuoso: ; <interactive>:324:1: warning: [-Wname-shadowing] This binding for `f' shadows the existing binding defined at <interactive>:168:1
2020-11-02 07:58:31 <dminuoso> Seems fine
2020-11-02 07:58:51 merijn joins (~merijn@83-160-49-249.ip.xs4all.nl)
2020-11-02 07:58:53 <danso> hm, i don't recall ever seeing it used
2020-11-02 07:59:21 idhugo joins (~idhugo@80-62-116-101-mobile.dk.customer.tdc.net)
2020-11-02 07:59:21 <dminuoso> ? is used a lot in lens operators
2020-11-02 07:59:30 <dminuoso> Think it's usually for things that deal with Maybe
2020-11-02 07:59:48 <dminuoso> % :t (?~)
2020-11-02 07:59:48 <yahb> dminuoso: ASetter s t a (Maybe b) -> b -> s -> t
2020-11-02 08:00:01 <danso> i could see it working as the function `Maybe a -> a -> a`
2020-11-02 08:00:02 <dminuoso> % :t (^?)
2020-11-02 08:00:02 <yahb> dminuoso: s -> Getting (First a) s a -> Maybe a
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2020-11-02 08:06:40 <energizer> that's like regex
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2020-11-02 08:31:52 <merijn> Don't forget !? from containers
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2020-11-02 08:36:16 <tomsmeding> Accelerate has (?) for the infix if-operator of the EDSL: https://hackage.haskell.org/package/accelerate-1.3.0.0/docs/Data-Array-Accelerate.html#v:-63- (warning, large page)
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2020-11-02 08:47:10 <tomsmeding> programming language documentation pages are the best browser benchmarks nowadays
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2020-11-02 08:52:00 hackage cobot-io 0.1.3.9 - Biological data file formats and IO https://hackage.haskell.org/package/cobot-io-0.1.3.9 (ozzzzz)
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