NewRouter returns new router instance.

ErrNotMatched is returned when unknown command is issued.

Context simplifies request handling.

Group groups a number of routes.

Reply keeps track of user requests and bot replies.

Route describes command route.

Router implements routing dispatch.

Args provide abstraction for getting arguments.

GroupSorterFunc provides sorting for groups.

HandlerFunc implements command execution.

MatcherFunc implements matching message.

MiddlewareFunc implements command wrapping.

RouteSorterFunc provides sorting for routes.