Web Reference: This guide explains how to use the splat and optional argument types with Ruby methods to give flexible interfaces to programs I'm playing with Ruby on Rails and I'm trying to create a method with optional parameters. Apparently there are many ways to do it. I trying naming the optional parameters as hashes, and without de... Required arguments are what you get by default. Here’ an example: If you don’t pass the exact number of arguments required you’ll get this familiar error message: This means that you gave the method 2 arguments, but it needs 3!
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