core.async and Virtual Threads (opens in new tab)

, and provides a new implementation ( Threads must block while waiting on I/O operations to complete. "Parking" allows the platform to unmount and free the underlying thread resource while waiting. This allows users to write "normal" straight line code (without callbacks) while consuming fewer platform resources. io-thread execution context io-thread was added in a previous core.async release and is a new execution context for running both blocking channel operations and blocking I/O operatio...