nextpnr/rust/example_printnets/src/lib.rs

use nextpnr::Context;

#[no_mangle]
pub extern "C" fn rust_example_printnets(ctx: &mut Context) {
    println!("Nets in design:");
    for (name, _net) in &ctx.nets() {
        println!("  {}", ctx.name_of(name).to_str().unwrap());
    }
}