Raise exception based on parameter type : Method Arguments « Method « Ruby

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Ruby » Method » Method Arguments   Raise exception based on parameter type def inverse(x)   raise "Argument is not numeric" unless x.is_a? Numeric   1.0 / x end inverse(2)                               # => 0.5 inverse('not a number') # RuntimeError: Argument is not numeric   Related examples in the same category 1.  Passing Arguments to a Method 2.  The parentheses in the call are optional 3.  Passing Data to Methods with or without parenthesis 4.  Function with two parameters 5.  Method with three parameters 6.  Pass full arrays to methods in Ruby, and return arrays as well 7.  Default Arguments 8.  Call method from parameter 9.  Writing a Method that Accepts a Block 10.  Block as the third parameter 11.  raise ArgumentError

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