Suspend
Fundamentals of suspend in Kotlin
High-Level Overview
In Kotlin, the suspend keyword is used to mark a function as suspendable, meaning it can be paused and resumed at a later time.
Why Use suspend?
- Non-blocking Operations:
suspendfunctions allow you to perform long-running operations (like network requests or disk IO) without blocking the main thread. - Improved Readability: Code using
suspendfunctions can be written in a sequential manner, making it more readable compared to callback-based approaches. - Resource Efficiency: By not blocking threads, coroutines can handle a large number of tasks with a small number of threads, leading to better resource utilization.
How suspend Works
A suspend function can suspend its execution without blocking the thread, and resume execution later. It can only be called from another suspend function or a coroutine.
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