Wrap a function turning an Args into an App, providing a Runner instance suitable for calling from the command-line
Shorthand for turning an Args instance (parsed by caseapp.CaseApp / Runner machinery) into an App that can be run.
Subclasses should define their CLI-options under this moniker
Convenience-constructor
Contained Apps will register shutdown callbacks herein
Interface containing an
Opts
type, App-constructor, and a full command-line application derived from them.