Hello everybody,
I was planning to use Chicken Scheme in a fashion more similar to Guile and
Lua. i.e. passing Scheme Data Objects from Chicken to C and back using the
C interface.
I am a little confused though as how to have a C function return a Scheme
List that is seen by the garbage collector.
For example, is the code below correct, will the list be seen by the
garbage collector? And if not, is there correct way to do this.
#>
C_word give_12()
{
C_word *mem = C_alloc(C_SIZEOF_LIST(2));
C_word list = C_list(&mem, 2, C_fix(1), C_fix(2));
return list;
}
<#
(print ((foreign-lambda scheme-object "give_12")))
Also there doesn't seem to be a C_listp predicate. Is this a concious
omission?
thank you in advance,
Richard
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