[Haskell-cafe] Proposal: (.:) operator in base.

Oleg Grenrus oleg.grenrus at iki.fi
Thu Aug 18 04:43:29 UTC 2016

Aeson (and cassava) use is very isolated.

FWIW (.=) is in aeson (and other serialising libs) and lens, and do
totally different things. I never needed both in the same module.

Bikeshedding: if (.:) goes to base, why not also (.:.) and (.::) and …

I’m -1, there is `composition` package [1], and I rather see base shrink,
not grow.

- Oleg

- [1] http://hackage.haskell.org/package/composition- <http://hackage.haskell.org/package/composition->

> On 18 Aug 2016, at 07:22, Albert Y. C. Lai <trebla at vex.net> wrote:
> (.:) is already used in both aeson and cassava. And not for (.) . (.)
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