Use if let Some when doing nothing on None
Use if let Some when doing nothing on None

rust-lang/rustup,rust-lang/rustup,nodakai/rustup.rs,rust-lang/rustup,inejge/rustup.rs,nodakai/rustup.rs,nodakai/rustup.rs,nodakai/rustup.rs,nodakai/rustup.rs,inejge/rustup.rs,inejge/rustup.rs,rust-lang/rustup,rust-lang/rustup,inejge/rustup.rs,inejge/rustup.rs