[miclill]

I think the _magic_ here is emscripten:

- https://emscripten.org/docs/porting/setjmp-longjmp.html

- https://github.com/koka-lang/libmprompt/blob/main/src/mpromp...

[gpderetta]

Thanks! Will take a look. The question is if course how emscripten implements longjmp.

[nateb2022]

https://llvm.org/doxygen/WebAssemblyLowerEmscriptenEHSjLj_8c...