Proposal: Dot as Postfix Function Apply

[Lana Black]

On 03:44 Wed 04 Nov     , Jeremy wrote:
> Dot as Postfix Function Apply
> (https://ghc.haskell.org/trac/ghc/wiki/Records/DeclaredOverloadedRecordFields/DotPostfix)
> was originally part of ORF, but dropped to keep the scope/discussion more
> manageable. Now that ORF is in for GHC 8.0, I would like to re-propose dot
> postfix syntax.
> 
> The idea is that instead of
> 
> (title person) ++ " " ++ (firstName person) ++ " " ++ (lastName person)
> 
> we could have
> 
> person.title ++ " " ++ person.firstName ++ " " ++ person.lastName
> 
> This is a simple source-to-source translation with no changes to the type
> system (TDNR is an orthogonal proposal). The advantages are:
> 
>   1. Code that's easier to read/write.
>   2. Familiar to users of almost every other programming language.
>   3. IDE auto-complete - an IDE can suggest functions applicable to the
> variable after typing .
> 
> This would be an opt-in extension.
> 
> I'm posting this to the libraries list because that's where proposals
> generally go, although this isn't strictly a library issue. If it should be
> on a different list I'll move it.
> 
> 
> 
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-1. There already is (&) in Data.Function. A better idea would be to
re-export it from Prelude.