[Rock-dev] [rock] #430: Typelib compare should return false instead of raising ArgumentError

[rock]

#430: Typelib compare should return false instead of raising ArgumentError
-----------------------------+-----------------------------------
 Reporter:  christian.rauch  |      Owner:  rock-dev-mailing-list
     Type:  defect           |     Status:  new
 Priority:  normal           |  Milestone:
Component:  base             |   Keywords:  typelib, compare
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 If different types are compared, the == operator should return false
 instead of raising an exception:

 <rock_path>/install/lib/ruby/1.9.1/typelib/type.rb:597:in `compare': in
 propagation handler #<Proc:0x0000000349f608@/[...]>: cannot compare:
 /base/samples/RigidBodyState_m and /base/samples/LaserScan are not
 compatible types (ArgumentError)

 The application for this would be using ruby classes like Array
 encapsulating typelib objects.
 E.g.:
 Given a ruby Array 'tarray' of different typelib objects and searching for
 a specific typelib object 'tobject' by
 {{{
 tarray.index(tobject)
 }}}
 will raise the error above. Instead the index of the object (or nil)
 should be returned.

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Ticket URL: <http://rock.opendfki.de/ticket/430>
rock <http://rock.opendfki.de>
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