Re: [Haskell-cafe] indentation blues

2011-12-15 Thread Ivan S. Freitas
For vim, there is a indent script, I don't remember exactly where I
found it but it's on my github repo:
https://github.com/ISF/dotfiles/blob/master/.vim/indent/haskell.vim

(And don't forget the haskellmode for vim)

Also, I've used the haskell mode of emacs with vimpulse to emulate vim
motions. It is pretty good, indentation works out-of-the-box (except
that you can't use indent-region), and the inferior handling works
well. I still prefer vim to use with haskell, specially when editing
my xmonad configuration.

-- 
Ivan Sichmann Freitas
GNU/Linux user #509059

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Re: [Haskell-cafe] indentation blues

2011-12-14 Thread Paul Koerbitz
Hello,

TL;DR: If you have some time try emacs, the viper / vimpulse plugins are
pretty good and the editor is awesome in general. Haskell indentation is
good.

I was a hardcore vim user and switched to emacs because the REPL for
clojure was just aweful in vim. I am using the vi keybindings (viper-mode)
and in addition vimpulse (which adds vim-like bindings on top of viper). It
isn't a perfect vim emulation, but I would say it is good enough. All the
keystrokes I use frequently work. The biggest frustration is that the
viper-mode is not automatically turned on in many modes (check out
viper-in-more-modes for that). I find the combination of emacs commands for
the lesser used commands with vim keybings for text editing incredibly
powerful.

Apart from the keybind issues, emacs is a really awesome editor! I mean you
will spend time at first learning and customizing it, but I wish I would
have started sooner! There are a lot of features that are a huge leg up
compared to vim (I love how 'files open' is distinct from 'file(s)
currently shown in buffer(s)' for example) and if you want something it is
probably out there.

cheers
Paul

On Tue, Dec 13, 2011 at 12:14, Jean-Marie Gaillourdet
j...@gaillourdet.netwrote:


 On 13.12.2011, at 11:43, Martin DeMello wrote:

  On Tue, Dec 13, 2011 at 2:34 AM, Adrien Haxaire adr...@haxaire.org
 wrote:
 
  Regarding, your question whether this is worth switching from vim to
  emacs. I've been using both editors for some years and I very much
  doubt, that you wouldn't spend much time learning emacs. If you are
  comfortable with vim, stick with it, unless you are interested in
  Emacs or one of its really great modes: org and auctex/reftex.
 
  Regarding, the vi emulations, I'd say they are nice should you ever
  be forced to use emacs for some time. But I don't recommend them, I've
  tried them all. They are not the real thing. Most of them are vi not
  vim emulators. And they always feel like second class citizens in
  emacs land. YMMW.
 
  Thanks for your feedback. I've never tried vim so I couldn't tell
 precisely.
 
  I thought the emulations were nice enough to save time learning emacs.
 If
  they are second class citizens, I agree it would be wiser to stick with
 vim
  then.
 
  yeah, i was assuming the emulations were nice enough to support my vim
  habits too. if they aren't, not even a good haskell mode would make
  emacs comfortable enough to use given my years of ingrained vim.

 I am not saying they are bad, but when I returned to emacs after two years
 of using vim, I was disappointed by their functionality and especially by
 the integration between third-party emacs-modes and the vi emulations.
 Though, I believe there is some work on new vim emulators. I am not sure on
 their status. They are probably no non-brainer option, yet.

 What I really liked about Claus Reinke's haskell-mode for vim was the
 ability to insert update statements with one command.

 Cheers,
  Jean
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Re: [Haskell-cafe] indentation blues

2011-12-14 Thread Oliver Charles
Paul Koerbitz paul.koerb...@gmail.com writes:

 Hello,
 TL;DR: If you have some time try emacs, the viper / vimpulse plugins are
 pretty good and the editor is awesome in general. Haskell indentation is
 good.

Not to go too off topic, but I'm not sure people are aware there's
another Vim emulation system called Evil:

http://gitorious.org/evil/pages/Home

Started March this year apparently, and should be the successor to
vimpulse.

- Ollie


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Re: [Haskell-cafe] indentation blues

2011-12-14 Thread Rustom Mody
Is the haskell-mode that comes out of the box with emacs (v 23.3) the one
you folk use or do you use something more specific/uptodate?  How to find
out? [There should be a haskell-mode-version...]

To the folks from the (hesitating) vi-camp: Whatever you use, please take
time to familiarize yourself with ghci.  Its my finding that the majority
of vi aficionados imagine that programming is invariably tied to
- having a main
- built with make
- run from a shell
- back to vi

This is way less performant than the tight feedback that an interpreter
gives.  And for that ghci in an 'inferior' emacs buffer is better than
anything else (for me).

However vi-users can (probably?) use two shells -- one for vi, one for ghci
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Re: [Haskell-cafe] indentation blues

2011-12-14 Thread Evan Laforge
On Mon, Dec 12, 2011 at 4:50 PM, Martin DeMello martindeme...@gmail.com wrote:
 The vim autoindent for haskell is really bad :( Is there a better
 indent.hs file floating around somewhere? Alternatively, is the emacs
 haskell mode better enough that it's worth my time learning my way
 around emacs and evil?

I don't know what kind of indentation you're doing, but another
solution is to use a simple indentation style, and indent manually.
As a bonus, foldmethod=indent then works for folding.

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Re: [Haskell-cafe] indentation blues

2011-12-14 Thread Evan Laforge
On Wed, Dec 14, 2011 at 5:56 AM, Rustom Mody rustompm...@gmail.com wrote:
 Is the haskell-mode that comes out of the box with emacs (v 23.3) the one
 you folk use or do you use something more specific/uptodate?  How to find
 out? [There should be a haskell-mode-version...]

 To the folks from the (hesitating) vi-camp: Whatever you use, please take
 time to familiarize yourself with ghci.  Its my finding that the majority of
 vi aficionados imagine that programming is invariably tied to
 - having a main
 - built with make
 - run from a shell
 - back to vi

This is not how I work.  I have source open in one window, and switch
between files with keybindings for tags, search in same directory,
search in recent buffers, switch between test and non-test module,
etc. (and to the guy who likes how files open != buffers shown, yes
vim does this too).  ghci is open in the other window.  :L loads the
currently edited module into ghci.  Then I edit and :r to typecheck or
test a function by hand.  Or I switch to the test module and run the
test interactively until it passes.  I have a number of other
shortcuts to insert a type signature, automatically add and remove
'import' lines, exchange argument order, etc., but these few simple
things already work pretty well.  It also helps to have a tiling
window manager and switch focus with the keyboard.

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Re: [Haskell-cafe] indentation blues

2011-12-13 Thread Jean-Marie Gaillourdet
Hello,

On 13.12.2011, at 08:51, Adrien Haxaire wrote:

 Hello,
 
 I don't know how the indent.hs file works for the vim mode, but as you are 
 asking for another indent.hs file, here is the link to the indent.hs file in 
 emacs haskell-mode:
 
 https://github.com/jwiegley/haskell-mode/blob/8067b7547f047352c41af2374e3246b5504c7741/indent.hs
 
 Maybe you can use it in the vim mode ?
 
 If not, the emacs haskell mode is nice, and coming from vim you wouldn't 
 spend much time learning emacs. there is also a vi emulator I think, though I 
 haven't tested it.


 
 On Mon, 12 Dec 2011 16:50:24 -0800, Martin DeMello wrote:
 The vim autoindent for haskell is really bad :( Is there a better
 indent.hs file floating around somewhere? Alternatively, is the emacs
 haskell mode better enough that it's worth my time learning my way
 around emacs and evil?


Yes, the haskell-emacs is nice. It provides two separate implementations of 
indentation engines: haskell-indent and haskell-indentation. And you can use 
emacs default indentation. I use haskell-indent because it considers the right 
indentation candidates for my coding style [1].

Regarding, your question whether this is worth switching from vim to emacs. 
I've been using both editors for some years and I very much doubt, that you 
wouldn't spend much time learning emacs. If you are comfortable with vim, 
stick with it, unless you are interested in Emacs or one of its really great 
modes: org and auctex/reftex.

Regarding, the vi emulations, I'd say they are nice should you ever be forced 
to use emacs for some time. But I don't recommend them, I've tried them all. 
They are not the real thing. Most of them are vi not vim emulators. And they 
always feel like second class citizens in emacs land. YMMW.

[1]: But I am not able to configure it to place where where I like it, 
indented by half the normal indentation width.

Cheers,
 Jean






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Re: [Haskell-cafe] indentation blues

2011-12-13 Thread Adrien Haxaire



Regarding, your question whether this is worth switching from vim to
emacs. I've been using both editors for some years and I very much
doubt, that you wouldn't spend much time learning emacs. If you are
comfortable with vim, stick with it, unless you are interested in
Emacs or one of its really great modes: org and auctex/reftex.

Regarding, the vi emulations, I'd say they are nice should you ever
be forced to use emacs for some time. But I don't recommend them, 
I've

tried them all. They are not the real thing. Most of them are vi not
vim emulators. And they always feel like second class citizens in
emacs land. YMMW.




Thanks for your feedback. I've never tried vim so I couldn't tell 
precisely.


I thought the emulations were nice enough to save time learning emacs. 
If they are second class citizens, I agree it would be wiser to stick 
with vim then.


Adrien


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Re: [Haskell-cafe] indentation blues

2011-12-13 Thread Martin DeMello
On Tue, Dec 13, 2011 at 2:34 AM, Adrien Haxaire adr...@haxaire.org wrote:

 Regarding, your question whether this is worth switching from vim to
 emacs. I've been using both editors for some years and I very much
 doubt, that you wouldn't spend much time learning emacs. If you are
 comfortable with vim, stick with it, unless you are interested in
 Emacs or one of its really great modes: org and auctex/reftex.

 Regarding, the vi emulations, I'd say they are nice should you ever
 be forced to use emacs for some time. But I don't recommend them, I've
 tried them all. They are not the real thing. Most of them are vi not
 vim emulators. And they always feel like second class citizens in
 emacs land. YMMW.

 Thanks for your feedback. I've never tried vim so I couldn't tell precisely.

 I thought the emulations were nice enough to save time learning emacs. If
 they are second class citizens, I agree it would be wiser to stick with vim
 then.

yeah, i was assuming the emulations were nice enough to support my vim
habits too. if they aren't, not even a good haskell mode would make
emacs comfortable enough to use given my years of ingrained vim.

martin

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Re: [Haskell-cafe] indentation blues

2011-12-13 Thread Jean-Marie Gaillourdet

On 13.12.2011, at 11:43, Martin DeMello wrote:

 On Tue, Dec 13, 2011 at 2:34 AM, Adrien Haxaire adr...@haxaire.org wrote:
 
 Regarding, your question whether this is worth switching from vim to
 emacs. I've been using both editors for some years and I very much
 doubt, that you wouldn't spend much time learning emacs. If you are
 comfortable with vim, stick with it, unless you are interested in
 Emacs or one of its really great modes: org and auctex/reftex.
 
 Regarding, the vi emulations, I'd say they are nice should you ever
 be forced to use emacs for some time. But I don't recommend them, I've
 tried them all. They are not the real thing. Most of them are vi not
 vim emulators. And they always feel like second class citizens in
 emacs land. YMMW.
 
 Thanks for your feedback. I've never tried vim so I couldn't tell precisely.
 
 I thought the emulations were nice enough to save time learning emacs. If
 they are second class citizens, I agree it would be wiser to stick with vim
 then.
 
 yeah, i was assuming the emulations were nice enough to support my vim
 habits too. if they aren't, not even a good haskell mode would make
 emacs comfortable enough to use given my years of ingrained vim.

I am not saying they are bad, but when I returned to emacs after two years of 
using vim, I was disappointed by their functionality and especially by the 
integration between third-party emacs-modes and the vi emulations. Though, I 
believe there is some work on new vim emulators. I am not sure on their status. 
They are probably no non-brainer option, yet.

What I really liked about Claus Reinke's haskell-mode for vim was the ability 
to insert update statements with one command.

Cheers,
  Jean
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[Haskell-cafe] indentation blues

2011-12-12 Thread Martin DeMello
The vim autoindent for haskell is really bad :( Is there a better
indent.hs file floating around somewhere? Alternatively, is the emacs
haskell mode better enough that it's worth my time learning my way
around emacs and evil?

martin

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[Haskell-cafe] indentation blues

2011-12-12 Thread Ben Kolera
I am fairly new to haskell, but I really like the emacs haskell mode.
It is a bit strict but it generally does what I want it to.
Unfortunately I can't really compare to the haskell vim mode since I
only did Scala and Perl back when I was a heavy vim user.

The one useful thing that I can add is that there are some really good
packages out there for modal vi keybindings in emacs. If you truly
like the vim keybindings better then you can still use them in emacs.

I hope that helps a little bit.

On Tue, Dec 13, 2011 at 10:50 AM, Martin DeMello
martindeme...@gmail.com wrote:
 The vim autoindent for haskell is really bad :( Is there a better
 indent.hs file floating around somewhere? Alternatively, is the emacs
 haskell mode better enough that it's worth my time learning my way
 around emacs and evil?

 martin

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Re: [Haskell-cafe] indentation blues

2011-12-12 Thread Adrien Haxaire

Hello,

I don't know how the indent.hs file works for the vim mode, but as you 
are asking for another indent.hs file, here is the link to the indent.hs 
file in emacs haskell-mode:


https://github.com/jwiegley/haskell-mode/blob/8067b7547f047352c41af2374e3246b5504c7741/indent.hs

Maybe you can use it in the vim mode ?

If not, the emacs haskell mode is nice, and coming from vim you 
wouldn't spend much time learning emacs. there is also a vi emulator I 
think, though I haven't tested it.


Hope that helps,
Adrien


On Mon, 12 Dec 2011 16:50:24 -0800, Martin DeMello wrote:

The vim autoindent for haskell is really bad :( Is there a better
indent.hs file floating around somewhere? Alternatively, is the emacs
haskell mode better enough that it's worth my time learning my way
around emacs and evil?

martin

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