[Haskell-cafe] GHC Extension Proposal: ArgumentBlock

[Simon Peyton Jones]

FWIW, I’m neutral.

Simon

From: Haskell-Cafe [mailto:haskell-cafe-bounces at haskell.org] On Behalf Of Edward Kmett
Sent: 08 September 2015 08:05
To: Andrew Gibiansky
Cc: Haskell Cafe
Subject: Re: [Haskell-cafe] GHC Extension Proposal: ArgumentBlock

I do have to admit that the syntax there feels lighter and less cluttered. I could get used to it.

-Edward

On Tue, Sep 8, 2015 at 12:56 AM, Andrew Gibiansky <andrew.gibiansky at gmail.com<mailto:andrew.gibiansky at gmail.com>> wrote:
In order to get a feel for  using this extension in real-world Haskell, take a look at the new ghc-reskin package:

https://github.com/gibiansky/ghc-reskin

This allows you to use ArgumentBlock *today* by passing GHC a few parameters to tell it to use ghc-reskin as a preprocessor. Take a look at the README for a full example.

-- Andrew

On Mon, Sep 7, 2015 at 9:02 PM, Bardur Arantsson <spam at scientician.net<mailto:spam at scientician.net>> wrote:
On 09/08/2015 03:08 AM, Dan Burton wrote:
> +1 people who like it can use it and people who don't like it don't have to
> use it. Personally I wish it were the default because the superfluous $
> confuses a lot of people coming from other languages like Ruby.
>

Whether it's "superfluous" depends entirely on one's PoV.

> You can even write in the old style if you have the extension turned on. It
> doesn't disable the old way of doing things. It just allows a new way. It's
> entirely backwards compatible with working code when turned on, is it not?
>

Except now there are two "dialects" everybody has to read/understand.
That's not progress IMO. (Considering that it's so little gain. I really
don't understand the hatred of $ that some people seem to have.)

Regards,


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