Looks like we didn't handle nested local scopes properly (the ``x``
variable is in a nested scope inside the quotation, being bound to each
value the quotation is called on.
I fixed this just now:
https://github.com/factor/factor/commit/2b23d75544cdebdb8dce995c842c49daadf871a3
.
Thanks for the bug report!
Best,
John.
On Thu, Mar 16, 2017 at 12:39 PM, Alexander Ilin <ajs...@yandex.ru> wrote:
> Hello!
>
> Does anyone know why this code generates an error?
>
> ```
> USE: infix
> ! Solve a quadratic equation in Zp by enumeration.
> :: solve-Zp* ( a b c p -- roots )
> p iota [ :> x [infix (a*x*x + b*x + c) % p infix] 0 = ] filter ;
> ```
>
> The error points to `infix]` with the message
>
> ```
> local is not defined
> name "a"
> ```
>
> ---=====---
> Александр
>
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