let SYS_WRITE = 1; let STD_OUT = 1; let STD_ERR = 2; func print(msg: String) { syscall(SYS_WRITE, STD_OUT, msg, str_len(msg)); } func print(value1: int64) { print(itoa(value1)); } func print(value2: bool) { if value2 { print("true"); } else { print("false"); } } func println() { print("\n"); } func println(msg: String) { print(msg); println(); } func println(value3: bool) { print(value3); println(); } func println(value4: int64) { print(value4); println(); }