Add the callback FuncString type func(string) so that they don't need to be created
by users each time.
Add the serialize Convert type []Serialize to ease conversions of
variadic inputs.
Update parameter inputs to allow float64 in the standard reflection
based callback wrapper
Add the callback FuncString type
func(string)so that they don't need to be created by users each time. Add the serialize Convert type[]Serializeto ease conversions of variadic inputs. Update parameter inputs to allowfloat64in the standard reflection based callback wrapper