src/test/compile-fail/trait-impl-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 calling methods on an impl for a bare trait. This test checks that the
  12 // trait impl is only applied to a trait object, not concrete types which implement
  13 // the trait.
  14
  15 trait T {}
  16
  17 impl<'a> T+'a {
  18     fn foo(&self) {}
  19 }
  20
  21 impl T for i32 {}
  22
  23 fn main() {
  24     let x = &42i32;
  25     x.foo(); //~ERROR: no method named `foo` found for type `&i32` in the current scope
  26 }