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/*
* sample.
*
* Something more or less like Python generators.
*/
#include <cstdlib>
#include <cstdio>
template<class base> class fi /* filler_iterator */ {
private:
base &parent;
public:
fi(base &p) : parent(p) {};
bool operator!=(const fi &) { return parent.has_more(); };
const fi &operator++(void) { return *this; };
int operator*(void) { return parent.yield(); };
};
class rdgen {
private:
unsigned int remaining;
public:
rdgen(unsigned int x) {
remaining = x;
};
bool has_more(void) {
return remaining > 0;
};
int yield(void) {
--remaining;
return rand();
};
fi<rdgen> begin(void) { return fi<rdgen>(*this); };
fi<rdgen> end(void) { return fi<rdgen>(*this); };
};
int main(int argc, const char **argv)
{
for (auto x : rdgen(argc))
printf("%d\n", x);
return 0;
}
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