ref: abb4ed071d8c4ae2cd77b1f54ea39f8d8ddc73a9
dir: /tests/3.b/
implement Sample; Person : adt { age : int; name : string; }; Sample: module { init: fn(); }; init() { a := 1; b := 3; c : int; d : Person; d.age = 10; d.name = "person name"; c = a*b + b*b*b*b + a; }