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I have a question about coroutine implementation.
I saw coroutine first on Lua and stackless-python. I could understand the concept of it, and how to use yield keyword, but I cannot figure out how it is implemented.
Can I get some explanation about them?
Coroutining is initiated by pushing the target address, then each coroutine switch exchanges the current PC with the top of the stack, which eventually has to get popped to terminate the coroutining.