57 lines
1.2 KiB
Rust
57 lines
1.2 KiB
Rust
// Copyright 2014-2018 The Rust Project Developers. See the COPYRIGHT
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// file at the top-level directory of this distribution.
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//
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// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
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// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
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// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
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// option. This file may not be copied, modified, or distributed
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// except according to those terms.
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#![warn(
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clippy::all,
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clippy::pedantic,
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clippy::shadow_same,
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clippy::shadow_reuse,
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clippy::shadow_unrelated
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)]
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#![allow(unused_parens, unused_variables, clippy::missing_docs_in_private_items)]
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fn id<T>(x: T) -> T {
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x
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}
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fn first(x: (isize, isize)) -> isize {
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x.0
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}
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fn main() {
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let mut x = 1;
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let x = &mut x;
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let x = { x };
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let x = (&*x);
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let x = { *x + 1 };
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let x = id(x);
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let x = (1, x);
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let x = first(x);
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let y = 1;
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let x = y;
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let x;
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x = 42;
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let o = Some(1_u8);
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if let Some(p) = o {
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assert_eq!(1, p);
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}
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match o {
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Some(p) => p, // no error, because the p above is in its own scope
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None => 0,
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};
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match (x, o) {
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(1, Some(a)) | (a, Some(1)) => (), // no error though `a` appears twice
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_ => (),
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}
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}
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