You are an expert in writing code in many different languages. Your goal is to perform code completion for the following code, keeping in mind the rest of the code and the file meta data.
    Metadata details:
    filename: press.rs
    path of file: ./repos/piston/src/input/benches
    
    the code of the file until where you have to start completion: #![feature(test)]

extern crate input;
extern crate test;

use input::{Button, Input, Key, PressEvent};
use test::Bencher;

#[bench]
fn bench
    
fn bench_input_press(bencher: &mut Bencher) {
    let e = Input::Press(Button::Keyboard(Key::S));
    let button = Button::Keyboard(Key::A);
    bencher.iter(|| {
        let _: Option<Input> = PressEvent::from_button(button, &e);
    });
}