yeah, there is a variant also, tinygo

TinyGo

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TinyGo - A Go Compiler For Small Places Get Started See the code Go on embedded systems and WebAssembly TinyGo brings the Go programming language t...

which supports almost everything in go except for GC, main point is it will let you use coroutines, even on one core you can use coroutines, they are possible to use that way (with channels as well of course)