ref: b548687a8ed1d0a159c9d3f3f921d93bbb56908e
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"); } }