Re: Wrong error message from 2u

[Bill Allombert <Bill.Allombert@math.u-bordeaux.fr>]

On Mon, Aug 12, 2024 at 11:54:17AM +0200, Vincent Lefevre wrote:
> On 2024-08-11 23:48:38 -0700, Ilya Zakharevich wrote:
> > In
> >   (23:29) gp > my([a,b,c]=[(u-v)^2,2u*v,(u+v)^2]); c^2-a^2-b^2
> >     ***   syntax error, unexpected variable name, expecting ',': ...,c]=[(u-v)^2,2u*v,(u+v)^2]);c^2-a^2-b^2
> >     ***                                                                                      ^--------------
> > 
> > the arrow points at the second closing bracket.  The actual problem is
> > 2u.
> 
> The issue seems to be the "expecting ','" (and the position of
> the arrow is a consequence). Why "expecting ','"?
> 
> Simpler testcase:
> 
> ? [2u,3]
>   ***   syntax error, unexpected variable name, expecting ',': [2u,3]
>   ***                                                               ^-

I fixed it in master:

? [2u,3]
  ***   syntax error, unexpected variable name, expecting ',': [2u,3]
  ***                                                            ^----
? my([a,b,c]=[(u-v)^2,2u*v,(u+v)^2]); c^2-a^2-b^2
  ***   syntax error, unexpected variable name, expecting ',': my([a,b,c]=[(u-v)^2,2u*v,(u+v)^2]);c^2-a^2-b^2
  ***                                                                               ^-------------------------

Thanks for reporting this!

Cheers,
Bill.