I looked at Coro, and what is being done with the XS code in it is that the context of the current subroutine is being saved. These contexts can then be jumped back to. I don't know how well it works, but it passes its own tests <g>

In reply to Coro and Perl 6 coroutines (RFC 31) by bikeNomad
in thread Perl 6 coroutines (RFC 31) by John M. Dlugosz

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