4 Matching Annotations
- Oct 2019
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stackoverflow.com stackoverflow.com
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isFieldB
Somewhat strange type guard. Maybe not the best example.
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www.typescriptlang.org www.typescriptlang.org
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These typeof type guards are recognized in two different forms: typeof v === "typename" and typeof v !== "typename", where "typename" must be "number", "string", "boolean", or "symbol". While TypeScript won’t stop you from comparing to other strings, the language won’t recognize those expressions as type guards.
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Type Guards
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microsoft.github.io microsoft.github.io
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typeof type guards
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