June 7, 2026

When Ruby receives a method call, it follows a well-defined search path to determine where that method is implemented. Most developers learn inheritance early, but fewer take the time to understand the complete method lookup path, also known as the ancestor chain.

Understanding this mechanism can make debugging easier, clarify how Rails works under the hood, and explain why prepend behaves differently from include.

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Ruby’s Ancestor Chain: Why prepend Cuts the Line – Linking Ruby knowledge from the most remote places in the world.

June 7, 2026 When Ruby receives a method call, it follows a well-defined search path to determine where that method is implemented. Most developers learn inheritance early, but fewer take the time …

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