src/test/compile-fail/issue-21174.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 trait Trait<'a> {
  12     type A;
  13     type B;
  14 }
  15
  16 fn foo<'a, T: Trait<'a>>(value: T::A) {
  17     let new: T::B = unsafe { std::mem::transmute(value) };
  18 //~^ ERROR: cannot transmute to or from a type that contains type parameters in its interior [E0139]
  19 }
  20
  21 fn main() { }