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 core_io library as a dependency

Run this command in a terminal, in your project's directory:

cargo add core_io

To add it manually, edit your project's Cargo.toml file and add to the [dependencies] section:

core_io = "0.1.20210325"

The core_io library will be automatically available globally. Read the core_io library documentation.

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