midKotlin

What is a suspend function?

Updated May 16, 2026

Short answer

A function that can be paused and resumed in coroutines.

Deep explanation

Suspend functions allow asynchronous execution without blocking threads.

Real-world example

API calls using Retrofit coroutines.

Common mistakes

  • Calling suspend functions from non-coroutine context.

Follow-up questions

  • Can suspend functions block threads?
  • Where are they used?

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