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






  1. Ruby
  2. Method
  3. 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








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