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/* Example of a C++ extension to icon via loadfunc,
* without garbage collection difficulties.
* Type 'make iexample' to build.
* Carl Sturtivant, 2008/3/16
*/
#include "loadfuncpp.h"
using namespace Icon;
class sequence: public generator {
safe current, inc;
public:
sequence(safe start, safe increment) {
current = start - increment;
inc = increment;
}
virtual bool hasNext() {
return true;
}
virtual value giveNext() {
return current = current + inc;
}
};
extern "C" int seq2(value argv[]){
sequence seq(argv[1], argv[2]);
return seq.generate(argv);
}
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