Plan 9 from Bell Labs’s /usr/web/sources/contrib/rog/sh-examples/demo/debugger.demo/tst.b
implement Tst; include "sys.m"; sys: Sys; include "draw.m"; Tst: module { init: fn(nil: ref Draw->Context, argv: list of string); }; init(nil: ref Draw->Context, argv: list of string) { sys->print("hello, world\n"); }