Re: [a<-b,f(a)]

[Charles Greathouse <charles.greathouse@case.edu>]

> The sign that is closest to the mathematical "in" sign is the euro sign €
> but is looks weird [a € b, f(a)] and not every keyboard has this symbol.

It also doesn't work in the Windows version, which presumably accounts
for the majority of the PARI/GP users. Don't confuse the serious users
who post to pari-dev with the rank-and-file. :)

Charles Greathouse
Analyst/Programmer
Case Western Reserve University

On Mon, Aug 6, 2012 at 9:30 AM, Aurel Page
<aurel.page@math.u-bordeaux1.fr> wrote:
> Le 06/08/2012 12:22, Bill Allombert a écrit :
>
>> On Mon, Aug 06, 2012 at 10:23:14AM +0200, Karim Belabas wrote:
>>>
>>> One remote possibility would be to get rid of 'filtre' (or let it treat
>>> comments only) and make spaces significant, as they always should have
>>> been :-(. Then we could have the even more natural
>>>
>>>    [ a in b, f(a) ]
>>
>> Unfortunately, both 'in' and '<-' are valid two charater sequences.
>> So using 'in' instead of '<-' would not make any difference, unless you
>> want to
>> forbid variables to be called "in".
>>
>> I do not think it is a sensible idea to allow names to be operators at
>> this stage.
>> We need to keep some unity in the language.
>>
>> Cheers,
>> Bill.
>>
> The sign that is closest to the mathematical "in" sign is the euro sign €
> but is looks weird [a € b, f(a)] and not every keyboard has this symbol. The
> @ sign has some idea of containment : [a@b, f(a)] (does it already have a
> meaning in GP ?). No better solution in mind :-(
>
> Cheers,
> Aurel
>