31 lines
462 B
C
31 lines
462 B
C
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#include <stdbool.h>
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#include <stdio.h>
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typedef bool (*gen_f)(size_t *i);
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gen_f from_to(size_t from, size_t to) {
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size_t i = from;
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bool g(size_t *j) {
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if (i <= to) {
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*j = i++;
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return true;
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} else {
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return false;
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}
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}
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return g;
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}
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int main(int argc, char **argv) {
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gen_f gen = from_to(5, 7);
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size_t i;
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while (gen(&i)) {
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printf("%ld\n", i);
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}
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return 0;
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}
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