1 // Copyright 2014-2018 The Rust Project Developers. See the COPYRIGHT
2 // file at the top-level directory of this distribution.
4 // Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
5 // http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
6 // <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
7 // option. This file may not be copied, modified, or distributed
8 // except according to those terms.
15 clippy::shadow_unrelated
17 #![allow(unused_parens, unused_variables, clippy::missing_docs_in_private_items)]
23 fn first(x: (isize, isize)) -> isize {
48 Some(p) => p, // no error, because the p above is in its own scope
53 (1, Some(a)) | (a, Some(1)) => (), // no error though `a` appears twice