First Draft: Coroutines

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On Monday, 5 August 2024 at 01:36:31 UTC, Richard (Rikki) Andrew 
Cattermole wrote:

I see you linked to that classic article on function colouring, 
but it wasn't clear to me how your DIP avoids the function 
colouring problem. We'd basically need something like parametric 
polymorphism over function effects, unless there's some trick or 
assumptions we can make to circumvent it.