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Re: if vs. when vs. and: style question

From: Pascal J. Bourguignon
Subject: Re: if vs. when vs. and: style question
Date: Wed, 25 Mar 2015 16:36:30 +0100
User-agent: Gnus/5.13 (Gnus v5.13) Emacs/24.3 (gnu/linux)

Rusi <> writes:

> On Wednesday, March 25, 2015 at 8:11:23 PM UTC+5:30, Stefan Monnier wrote:
>> > For 50 years CS has been living in the impoverished world of ASCII.
>> > This makes people think CS and math are more far apart than they
>> > essentially/really are.
>> You might like to take a look at the Agda language,
> Yeah I know about
> 1. Agda... a bit overboard maybe?? but in the right direction
> 2. Fortress
> 3. Julia
> 4. Haskell (ghc) itself has a unicode extensions flag
>    after which we can write the rhses instead of the lhses
> => ⇒
> forall ∀
> <- →
> -> ←
> -<< ⤛
>>>- ⤜
Notice, that I asked the reader to compare the ease of input.

=>  super easy, two keys to type.
The unicode correspondance?  I would start typing C-x 8 RET double TAB
and not find it in the list. 

So I would have to launch clisp, 
   C-- slime RET clisp RET 

wait for it to boot then type:

   (lschar :name "RIGHT_ARROW") RET

the search for double, and not find it, then copy and paste it from your

   (char-name #\⇒)

obtain the character name as "RIGHTWARDS_DOUBLE_ARROW", then type

   C-x 8 RET rightward double arrow RET

which, even if I had know it from the start, is still much more
difficult to type than just =>.

> Ironically the page where this is documented
> the last two dont work (show) because the html is charset=ISO-8859-1   :-)
> I guess unicode is a moving target...
> 5. And the mother of all -- APL

__Pascal Bourguignon__       
“The factory of the future will have only two employees, a man and a
dog. The man will be there to feed the dog. The dog will be there to
keep the man from touching the equipment.” -- Carl Bass CEO Autodesk

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