Property definitions

nitc $ ErrorNotClass :: defaultinit
# The MEntity is not a MClass or a MClassDef
class ErrorNotClass
	super CmdError

	# MEntity provided
	var mentity: MEntity

	redef fun to_s do return "`{mentity.full_name}` is not a class"
end
src/doc/commands/commands_usage.nit:206,1--214,3