Using asynctools + peekExitCode?
<https://github.com/mratsim/constantine/blob/master/helpers/pararun.nim>
- Equivalent to Rust's Command spawn/try_wait? fosilpro
- Equivalent to Rust's Command spawn/try_wait? termer
- Equivalent to Rust's Command spawn/try_wait? fosilpro
- Equivalent to Rust's Command spawn/try_wait? termer
- Equivalent to Rust's Command spawn/try_wait? Araq
- Equivalent to Rust's Command spawn/try_w... termer
- Equivalent to Rust's Command spawn/t... mratsim
- Equivalent to Rust's Command spa... arnetheduck
