ref: 4fb336e4ff1334afaef71baa4d7d4d6aa77e51ed
dir: /tests/case.b/
implement Sample; include "sys.m"; sys: Sys; Sample: module { init: fn(); }; init() { sys = load Sys Sys->PATH; a := 1; b := 3; c : int; case a { 0 => sys->print("is zero\n"); 1 => sys->print("is 1\n"); 2 => sys->print("is 2\n"); * => sys->print("is default\n"); } }