src/test/compile-fail/str-mut-idx.rs

   1 // Copyright 2015 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 fn bot<T>() -> T { loop {} }
  12
  13 fn mutate(s: &mut str) {
  14     s[1..2] = bot();
  15     //~^ ERROR `core::marker::Sized` is not implemented for the type `str`
  16     //~| ERROR `core::marker::Sized` is not implemented for the type `str`
  17     s[1usize] = bot();
  18     //~^ ERROR `core::ops::Index<usize>` is not implemented for the type `str`
  19     //~| ERROR `core::ops::IndexMut<usize>` is not implemented for the type `str`
  20     //~| ERROR `core::ops::Index<usize>` is not implemented for the type `str`
  21 }
  22
  23 pub fn main() {}