ref: 44ce0097b612a1fefd754065bdf8d9d2e5ef60c8
dir: /tests/retval.b/
implement Sample; include "sys.m"; sys: Sys; Sample: module { init: fn(); }; init() { sys = load Sys Sys->PATH; a: int; a = sys->print("testinng the return value\n"); sys->print("print returned %d\n", a); a = sys->print("\n"); sys->print("print returned %d, should have been 1\n", a); }