var n_qid: AQid is writable, noinit
var n_args: AExprs is writable, noinit
end
+class ACallrefExpr
+ super AExpr
+ var n_amp: TAmp is writable, noinit
+ var n_expr: AExpr is writable, noinit
+ var n_qid: AQid is writable, noinit
+ var n_args: AExprs is writable, noinit
+end
class ACallAssignExpr
super AExpr
var n_expr: AExpr is writable, noinit