This crate requires a nightly (unstable, experimental) compiler version. To switch to it, you must have Rust installed via Rustup, and run:
rustup default nightly
Run rustup default stable to switch back.
Adding string_alloc library as a dependency
Run this command in a terminal, in your project's directory:
cargo add string-alloc
To add it manually, edit your project's Cargo.toml file and add to the [dependencies] section:
string-alloc = "0.0.3"
The string_alloc library will be automatically available globally.
Read the string_alloc library documentation.