immutable type twerp { mustard, ketchup } ;

int ok (int a, int b) { }
int needparen (int a, int b) { }
int needuse (int a, int b) { }
int multuse (int a, int b) { }
int badassign (int a, int b) { }
int predok (int a, int b) { }
int predbad (int a, int b) { }
int predbad2 (int a, int b) { }
int badorder (int a, int b) { } 
int okorder (int a, int b, int c) { } 
int okorder2 (int a, int b, int c) { }
int badval (int a, int b) { } 

immutable type bool;

constant bool badconst;
constant bool goodconst;
constant int worseconst;

int var;
int var2;