This would allow a more convient way of providing custom methods and make the overall handling easier. ATM Only static methods can be used and the complete calling is error prone (you must provide a method that returns string).
With a Callable it would be more flexible and type save.
This would allow a more convient way of providing custom methods and make the overall handling easier. ATM Only static methods can be used and the complete calling is error prone (you must provide a method that returns string).
With a Callable it would be more flexible and type save.