MediumApplyTypeScriptopen_ended

What is a type predicate and when do you use it?

Apply — Tests ability to use knowledge in practical scenarios.

Want to see the correct answer?

Get the answer with a detailed explanation, plus practice 32+ more TypeScript questions with adaptive quizzes and timed interviews.

See the Answer on Guru Sishya →

This question is from the TypeScript topic (Programming Languages).

Learn TypeScript→Browse All Questions

More TypeScript Questions

What is the difference between type and interface in TypeScript?

Medium-Easy

What does Partial<T> do?

Easy

Implement MyPartial<T> from scratch using mapped types.

Medium-Hard

What is a discriminated union? Give an example.

Medium

What does the infer keyword do in a conditional type?

Medium-Hard