IntermediateCoroutines

withContext IO

Run blocking-style work on Dispatchers.IO.

Dependency required: implementation("org.jetbrains.kotlinx:kotlinx-coroutines-core:1.9.0")
kotlin
import kotlinx.coroutines.*

suspend fun read(): String = withContext(Dispatchers.IO) {
    delay(50)
    "data"
}

fun main() = runBlocking {
    println(read())
}
Output
data

Explanation

withContext switches to the IO dispatcher for the block, then returns the result.

Related Tutorials

kotlin dispatchers