Note: Always use cdylib over dylib for C-compatibility to keep the file size smaller and avoid Rust-specific linking issues. 3. Writing the Code ( src/lib.rs )
Start by creating a new library project. Use the --lib flag to tell Cargo you aren't making an executable. cargo new rust_pub --lib cd rust_pub Use code with caution. Copied to clipboard 2. Configure Cargo.toml rust_pub.dll
To make a function visible to the outside world, you need three key ingredients: pub , extern "C" , and #[no_mangle] . Note: Always use cdylib over dylib for C-compatibility
#[no_mangle] pub extern "C" fn hello_from_rust() { println!("Hello from rust_pub.dll!"); } #[no_mangle] pub extern "C" fn add_numbers(a: i32, b: i32) -> i32 { a + b } Use code with caution. Copied to clipboard Use the --lib flag to tell Cargo you
Run the build command to generate your library. For production-ready files, use the --release flag. cargo build --release Use code with caution. Copied to clipboard
: Use the same core engine across multiple applications written in different languages.
