Raise IndexError : raise « Statement « Ruby

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Ruby » Statement » raise   Raise IndexError   class MyCapacity     include Comparable     attr :volume     def initialize(volume)       @volume = volume     end     def inspect       '#' * @volume     end     def <=>(other)       self.volume <=> other.volume     end     def succ       raise(IndexError, "Volume too big") if @volume >= 9       MyCapacity.new(@volume.succ)     end   end   Related examples in the same category 1.  Raising Exceptions 2.  Raise exception from constructor 3.  raise one on your own with the raise method from Kernel 4.  raise ArgumentError

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