# Helper for switching between distro-provided versions of `puckc` and locally-managed toolchains.
# Hopefully, this helps eliminate the problems with distros packaging languages.
# Subcommands: install (nightly beta stable hash), default, show

type Toolchain = union
  Nightly, Stable, Beta, Hash(str)

func main = ...

func install(toolchain: Toolchain): Success[ref Err]
func default(toolchain: Toolchain): Success[ref Err]
func show(): str