src/test/compile-fail/issue-6458.rs

   1 // Copyright 2013-2015 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 use std::marker;
  12
  13 pub struct TypeWithState<State>(marker::PhantomData<State>);
  14 pub struct MyState;
  15
  16 pub fn foo<State>(_: TypeWithState<State>) {}
  17
  18 pub fn bar() {
  19    foo(TypeWithState(marker::PhantomData));
  20    //~^ ERROR type annotations needed [E0282]
  21    //~| NOTE cannot infer type for `State`
  22 }
  23
  24 fn main() {
  25 }