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Last updated at 7:50 pm UTC on 21 August 2020
Implements a tool to browse the hierarchical data structure contained in the global variable TheRack of the Home desktop system.

App menu implements
 RRackTool open

	| instance |
   	instance := RRackTool new.
	ToolBuilder open: instance.
	^ instance

accesses the global variable TheRack.

Minimal API for object collections and objects

All kinds of objects may be displayed with the RRackTool if they implement a minimal protocol

For an object holding a collection of other objects and thus acting as a RFolder object:

For an object to play the role of an REntry object: