Checks and assigns decay function and values.
assign_decay_function(decay_function, decay_value)A list with the validated decay function and parameter value.
A string, the name of the decay function.
A number, the value of decay parameter.
Other assigning functions:
assign_departure(),
assign_drop_geometry(),
assign_max_street_time(),
assign_max_trip_duration(),
assign_mode(),
assign_opportunities(),
assign_points_input(),
assign_shortest_path()