src/test/compile-fail/reflect-assoc.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 // Test that types that appear in assoc bindings in an object
  12 // type are subject to the reflect check.
  13
  14 use std::marker::Reflect;
  15 use std::io::Write;
  16
  17 trait Get {
  18     type Output;
  19     fn get(self) -> Self::Output;
  20 }
  21
  22 struct Struct<T>(T);
  23
  24 fn is_reflect<T:Reflect>() { }
  25
  26 fn a<T>() {
  27     is_reflect::<Box<Get<Output=T>>>(); //~ ERROR E0277
  28 }
  29
  30 fn ok_a<T: Reflect>() {
  31     is_reflect::<Box<Get<Output=T>>>(); // OK
  32 }
  33
  34 fn main() {
  35 }