src/test/ui/nll/issue-52534-1.rs

   1 // Copyright 2018 The Rust Project Developers. See the COPYRIGHT
   2 // file at the top-level directory of this distribution and at
   3 // http://rust-lang.org/COPYRIGHT.
   4 //
   5 // Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
   6 // http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
   7 // <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
   8 // option. This file may not be copied, modified, or distributed
   9 // except according to those terms.
  10
  11 #![feature(nll)]
  12 #![allow(warnings)]
  13
  14 struct Test;
  15
  16 impl Test {
  17     fn bar(&self, x: &u32) -> &u32 {
  18         let x = 22;
  19         &x
  20     }
  21 }
  22
  23 fn foo(x: &u32) -> &u32 {
  24     let x = 22;
  25     &x
  26 }
  27
  28 fn baz(x: &u32) -> &&u32 {
  29     let x = 22;
  30     &&x
  31 }
  32
  33 fn foobazbar<'a>(x: u32, y: &'a u32) -> &'a u32 {
  34     let x = 22;
  35     &x
  36 }
  37
  38 fn foobar<'a>(x: &'a u32) -> &'a u32 {
  39     let x = 22;
  40     &x
  41 }
  42
  43 fn foobaz<'a, 'b>(x: &'a u32, y: &'b u32) -> &'a u32 {
  44     let x = 22;
  45     &x
  46 }
  47
  48 fn foobarbaz<'a, 'b>(x: &'a u32, y: &'b u32, z: &'a u32) -> &'a u32 {
  49     let x = 22;
  50     &x
  51 }
  52
  53 fn main() { }