(context?) and (sym)

[Dmi]

Code Select Expand

> (sym "CON" MAIN nil)
CON
> (context? CON)
true
> (context? (sym "CON" MAIN nil))
nil

The conttext CON is already exists before this tests,



Is there a way to check the existence of a context given by a string?

[Lutz]

Yes, just add 'eval' ;)

Code Select Expand


> (sym "CON" MAIN nil)
nil
> (set 'CON:foo 123)
123
> (sym "CON" MAIN nil)
CON
> (context? (eval (sym "CON" MAIN nil)))
true


Lutz

[Dmi]

The genius is simple :-)

Thanks!