[gambit-list] port setting arguments with syntax-case enabled
Mikael
mikael.rcv at gmail.com
Sun Dec 7 13:45:19 EST 2014
Might be that it doesn't do keyword objects, string->keyword?
2014-12-07 13:10 GMT+02:00 Chris Vine <chris at cvine.freeserve.co.uk>:
> The following works fine without the syntax-rules/syntax-case macro
> expander enabled:
>
> (open-vector-pipe (list direction: 'input)
> (list direction: 'output))
>
> However if the syntax-case expander is enabled, compilation generates
> a warning that 'direction:' is undefined and runtime fails with:
>
> *** ERROR -- (Argument 1) VECTOR or port settings expected
> (open-vector-pipe '(#!unbound input) '(#!unbound output))
>
> This also works without the syntax-case expander:
>
> (open-vector-pipe (list 'direction: 'input)
> (list 'direction: 'output))
>
> but fails with the syntax-case expander enabled with a different error:
>
> *** ERROR -- (Argument 1) VECTOR or port settings expected
> (open-vector-pipe '(|direction:| input) '(|direction:| output))
>
> I am using gambit-c 4.7.3. Is there any workaround for this?
>
> Chris
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