Crate toolchain_find 

Functions

find_installed_component

Given a Rust component name, search through all of the available toolchains on the system to see if it is installed. It will return the path of the component that has the latest version.

find_nightly_installed_component

Given a Rust component name, search through all of the available nightly toolchains on the system to see if it is installed. It will return the path of the component that has the latest version.