rust/src/test/run-pass/generic-tup.rs

// Copyright 2012 The Rust Project Developers. See the COPYRIGHT
// file at the top-level directory of this distribution and at
// http://rust-lang.org/COPYRIGHT.
//
// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
// option. This file may not be copied, modified, or distributed
// except according to those terms.

fn get_third<T:Copy>(t: (T, T, T)) -> T { let (_, _, x) = t; return x; }

pub fn main() {
    debug!(get_third((1, 2, 3)));
    assert!((get_third((1, 2, 3)) == 3));
    assert!((get_third((5u8, 6u8, 7u8)) == 7u8));
}