There are go-to definition plugins that work for Ruby, depending on what editor or IDE you're using. They're just not always perfect, because in a non staticall

There are go-to definition plugins that work for Ruby, depending on what editor or IDE you're using. They're just not always perfect, because in a non statically typed language, you can't always know what the implementation of a method is. Last I checked, there wasn't great editor support for Crystal yet, but that might have changed by now.