Hi -
I'm thinking about implementing the following changes to the C integration
support:
1) allow c_ptrTo to be passed a 1-D rectangular array or a tuple, and have it
return a pointer to the first element == a pointer to the whole array.
I've committed test cases in
test/extern/ferguson/{tuple_to_pointer,array_to_pointer}.chpl
Then the recommended way to pass an array to a C function would be
something like
call_C(c_ptrTo(myArray))
instead of the pass-a-reference-to-the-first-element business.
2) allow a Chapel programmer to cast between different C types using the usual
syntax.
This came up when trying to work around the lack of (1).
Any thoughts on these, for or against?
Thanks,
-michael
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