ref: aa4cf3a4b23b4a06b2c67c18957f0574aa37df8b
dir: /tests/real.b/
implement Sample; include "sys.m"; sys: Sys; Sample: module { init: fn(); }; init() { sys = load Sys Sys->PATH; r : real; r = 3.14; sys->print("should print 3.14 result %g\n", r); sys->print("should print 3.14 result %f\n", r); }