It looks like a normal line of synchronous code but it allows the fetch to happen in its own time, followed by whatever comes next. This sequence frees the event loop to do other things while the ...

Synchronous file handling makes for simpler code, but asynchronous file handling offers more opportunity for platform-level optimization because it doesn’t block execution.

We discuss the main concepts behind event-driven programming, which, after object-oriented programming, is another fundamental stepping stone in understanding modern embedded software.

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