[graalvm-users] TypeError error message
David Conrad
DavidConrad at acm.org
Fri Jul 6 03:06:36 PDT 2018
Greetings!
I just started using GraalVM and it's like magic. Well done!
Unfortunately, I made a silly mistake. I wrote an N-Queens solver
in C and a driver to call it in Javascript. But I forgot to convert the
command line parameters from strings to numbers:
> unknown:0
> unknown
> ^
>
> TypeError: INVOKE on foreign object failed due to: UnsupportedTypeException
The error message here is a little less than totally helpful. I'm sure
this is an area
that's still under development, but including the actual type and
expected type (or
list of acceptable types) is obviously desirable.
Despite that my early impression of GraalVM is extremely favorable and I want to
commend everyone working on it for an amazing piece of engineering.
Cheers,
David Conrad
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