src/test/compile-fail/method-self-arg-1.rs

   1 // Copyright 2014 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 // Test method calls with self as an argument cannot subvert type checking.
  12
  13 struct Foo;
  14
  15 impl Foo {
  16     fn bar(&self) {}
  17 }
  18
  19 fn main() {
  20     let x = Foo;
  21     Foo::bar(x); //~  ERROR mismatched types
  22                  //~| expected type `&Foo`
  23                  //~| found type `Foo`
  24                  //~| expected &Foo, found struct `Foo`
  25     Foo::bar(&42); //~  ERROR mismatched types
  26                       //~| expected type `&Foo`
  27                       //~| found type `&{integer}`
  28                       //~| expected struct `Foo`, found integral variable
  29 }