- define-named-sorter name procprocedure
Convenient wrapper around the named-sorters parameter.
Basically adds an item to the alist yielded by (named-sorters), mapping name (symbol) to proc (one-argument procedure that is given a list of ticket object and is expected to return a list of ticket objects).
namess defined by define-named-sorter can be used as arguments to the --named-sorter parameter of tick commands on the command line.