Visual Signals Reference 🚦

This page uses the Shatalov Method of "Visual Signals" to explain complex Go concepts. Memorize these images, not the text.

1. The Interface (The Power Socket)

Concept: Decoupling implementation from usage. Signal: A Universal Power Socket. The Lamp doesn't care if the power comes from a wall, a battery, or a generator, as long as the plug fits.

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2. Channels (The Conveyor Belt)

Concept: Safe communication between concurrent Goroutines. Signal: A Factory Conveyor Belt. Workers (Goroutines) put items on, other workers take them off. No one fights over the item; the belt manages the handoff.

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3. Structs vs Pointers (The Blueprint vs The House)

Concept: Value types vs Reference types. Signal: A Photocopy vs The Shared Document.

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4. The Quality Gate (Validation)

Concept: Fail early, fail fast. Signal: Airport Security. You don't get on the plane (Database) if you have a knife (Invalid Data).