src/test/compile-fail/typeck-default-trait-impl-trait-where-clause-2.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 // ignore-tidy-linelength
  12
  13 // Test that when a `..` impl applies, we also check that any
  14 // supertrait conditions are met.
  15
  16 #![feature(optin_builtin_traits)]
  17
  18 trait NotImplemented { }
  19
  20 trait MyTrait: Sized
  21     where Option<Self> : NotImplemented
  22 {}
  23
  24 impl NotImplemented for i32 {}
  25
  26 impl MyTrait for .. {}
  27
  28 fn bar<T:NotImplemented>() { }
  29
  30 fn test() {
  31     bar::<Option<i32>>();
  32     //~^ ERROR `std::option::Option<i32>: NotImplemented` is not satisfied
  33 }
  34
  35 fn main() {
  36 }