is it thread safe when use threads_worker

[introspection3]

is it thread safe when use threads_worker

[kriszyp]

Yes, it is safe to use with worker_threads.

[introspection3]

Yes, it is safe to use with worker_threads.

can we use it async??

[kriszyp]

You can use msgpackr with asynchronous code. The msgpackr functions themselves do not have asynchronous APIs, they immediately execute, and there is no meaningful off-thread work that they can do asynchronously.