(Statements (Package (Identifier)) (Function (Identifier) (Statements (Call (Identifier) (SendChannel (Identifier)) (Empty)) (Call (Identifier) (Statements (SendChannel (Identifier)) (Minus (Identifier) (Identifier))) (Empty)) (Call (Identifier) (Statements (SendChannel (Identifier)) (Integer) (Integer)) (Empty)) (Call (Identifier) (Map (Identifier) (Identifier)) (Empty)))))