Branded types in TypeScript are a way to simulate nominal typing by adding a unique brand to a base type, making structurally identical types incompatible at compile time. This is useful for preventing bugs caused by passing the wrong type of value. The concept originated in the functional programming world and has been adopted by the TypeScript community to ensure type safety.

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Permalink IntroductionPermalink Typing in TypeScriptPermalink Branded typesPermalink A note on Phantom types
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