//ww:run package main; fn streq(a: str, b: str) bool = { if (a.len != b.len) { return false; }; let i: i32 = 0; for (i < a.len) { if (a[i] != b[i]) { return false; }; i += 1; }; return true; }; fn main() i32 = { let argv: [3]str; argv[0] = "ls"; argv[1] = "-Fahs"; argv[2] = "files.txt"; if (!streq(argv[2], "files.txt")) { return 11; }; if (!streq(argv[1], "-Fahs")) { return 12; }; if (!streq(argv[0], "ls")) { return 13; }; return 0; };