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Soleone -
February 12, 2009
![Default_avatar_30](https://www.gravatar.com/avatar/64ac4afdcf405be710b07ec4a8679a74?size=30&default=http://apidock.com/images/default_avatar_30.png)
2 thanks
Use this!
You should raise your own ArgumentError in methods to notify users of your class, if you think certain kinds of arguments aren’t acceptable.
def transfer_money(amount) unless amount.is_a?(Number) raise ArgumentError.new("Only numbers are allowed") end # ... Do the actual work end