src/test/ui/self/suggest-self.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 struct Foo {
  12     x: i32,
  13 }
  14
  15 impl Foo {
  16     fn this1(&self) -> i32 {
  17         let this = self;
  18         let a = 1;
  19         this.x
  20     }
  21
  22     fn this2(&self) -> i32 {
  23         let a = Foo {
  24             x: 2
  25         };
  26         let this = a;
  27         this.x
  28     }
  29
  30     fn foo(&self) -> i32 {
  31         this.x
  32         //~^ ERROR cannot find value `this` in this scope
  33     }
  34
  35     fn bar(&self) -> i32 {
  36         this.foo()
  37         //~^ ERROR cannot find value `this` in this scope
  38     }
  39
  40     fn baz(&self) -> i32 {
  41         my.bar()
  42         //~^ ERROR cannot find value `my` in this scope
  43     }
  44 }
  45
  46 fn main() {
  47     let this = vec![1, 2, 3];
  48     let my = vec![1, 2, 3];
  49     let len = this.len();
  50     let len = my.len();
  51 }
  52