Function rustup_toolchain::install
source · pub fn install(toolchain: impl AsRef<str>) -> Result<()>
Expand description
Installs a toolchain if it is not already installed.
As a workaround for Rustup (including proxies) is not safe for concurrent
use this function is
protected by a process-global lock. If you use multiple processes, you need
to prevent concurrent rustup
usage yourself.
§Errors
If rustup
is not installed on your system, for example.