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Error trying to convert from a subclassed dimension unit to a parent unit or viceversa #9

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waiting-for-dev opened this issue Jul 21, 2013 · 0 comments

waiting-for-dev commented Jul 21, 2013

class Screen < Quantity::Dimension::Length; end;
Screen.add_dimension :screen

Quantity::Unit.add_unit :px, :screen, 233333, :pixel, :pixels

puts 3.cm.to_px

Returns:

/var/lib/gems/1.9.1/gems/quantity-0.1.2/lib/quantity/unit.rb:236:in `convert': Cannot convert #<Quantity::Unit:0x000000015f68c8> to cm (ArgumentError)
        from /var/lib/gems/1.9.1/gems/quantity-0.1.2/lib/quantity.rb:331:in `convert'
        from /var/lib/gems/1.9.1/gems/quantity-0.1.2/lib/quantity.rb:354:in `method_missing'

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