// @dart = 2.9 | |
void foldInitialElements() {} | |
void foldInitialSpread1() {} | |
void foldInitialSpread2() {} | |
void foldInitialSpread3() {} | |
void foldInitialSpread4() {} | |
void foldInitialSpread5() {} | |
void foldInitialSpread6() {} | |
main() {} | |
void expect(List list1, List list2) {} |