What are type guards in TypeScript?
An example of an AI chatbot conversation about understanding type guards in TypeScript.
What are type guards in TypeScript?
Type guards are techniques used in TypeScript to narrow down the type of a variable within a conditional block.
Can you give me an example of a type guard?
Sure! A common type guard is using the typeof operator to check if a variable is a string: if (typeof value === 'string') { ... }.
Are there other ways to create type guards?
Yes, you can also create custom type guards using functions that return a boolean and use the is keyword.
What are the benefits of using type guards?
Type guards improve type safety, making your code more predictable and reducing runtime errors.
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