Lib.rs

Cargo.toml

alternate_screen_wraper = { version = "<current-version>", features = "crossterm" } # or other backand

main.rs

fn main() {
    let alternate_screen = alternater_screen_wrapper::AlternateScreen::enter();
    // ..do some work
    let printable = // do other work
    // 
    drop(alternate_screen);
    println!("{printable}"); // it works
}

您无需手动调用 drop。当您退出作用域或发生 panic 时，它将自动释放。