Understanding Ruby Method Lookup

29/05/2021
1.048

Ruby lets you express yourself like few other languages, with a minimum of boilerplate. It's fantastic until it isn't. Until one day when you think you're calling the `foo` method you wrote last week, but instead, you end up calling a `foo` method that came with some gem from 2008. In these situations, knowing about Ruby's method lookup rules will save your bacon.
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