Add example of passing a function as an option.
Add example of passing a function as an option.
benpickles/peity,dbirchak/peity,benpickles/peity,wallisnow/peity,dbirchak/peity,wallisnow/peity,benpickles/peity,dbirchak/peity,wallisnow/peity,FabMeg/tripping-wight,FabMeg/tripping-wight