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Dispatchers.IO doc clarification #3236

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Apr 6, 2022
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Dispatchers.IO doc clarification #3236

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5 changes: 3 additions & 2 deletions kotlinx-coroutines-core/jvm/src/Dispatchers.kt
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Expand Up @@ -125,8 +125,9 @@ public actual object Dispatchers {
*
* This dispatcher and its views share threads with the [Default][Dispatchers.Default] dispatcher, so using
* `withContext(Dispatchers.IO) { ... }` when already running on the [Default][Dispatchers.Default]
* dispatcher does not lead to an actual switching to another thread — typically execution
* continues in the same thread.
* dispatcher typically does not lead to an actual switching to another thread. In such scenarios,
* the underlying implementation attempts to keep the execution on the same thread on a best-effort basis.
*
* As a result of thread sharing, more than 64 (default parallelism) threads can be created (but not used)
* during operations over IO dispatcher.
*/
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