CODE EXAMPLE FOR RUST

cargo insall cargo-cahe this version of Cargo is older than the `2021` edition, and only supports `2015` and `2018` editions.

// update rust and it's nightly vesrsion
rustup default stable && rustup update
rustup update nightly && rustup target add wasm32-unknown-unknown --toolchain nightly
//To check the updated version
rustup show
rustup +nightly show