On Sat, Jan 27, 2024 at 04:08:34PM +0100, Grégory Vanuxem wrote:
> Hello,
>
> I could not give some code, it's too complicated but maybe that could
> help in some way to improve FriCAS. I just encountered that:
>
> >> System error:
> The variable |/throwAway| is unbound.
>
> I absolutely do not know where/what it means.
Typical reason is an 'if' expression where one of branches
produces no real value. Spad typechecker should catch
such things, but sometimes they propagate to runtime.
This may also happen in Boot code (probably majority of cases).
--
Waldek Hebisch
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