type Value;
type ChildKey;
type Children = Index<Self::ChildKey, Output=Hierarchy>;
- //~^ ERROR: the value of the associated type must be specified
+ //~^ ERROR: the value of the associated type `ChildKey`
+ //~^^ ERROR: the value of the associated type `Children`
+ //~^^^ ERROR: the value of the associated type `Value`
fn data(&self) -> Option<(Self::Value, Self::Children)>;
}
--- /dev/null
+// Copyright 2015 The Rust Project Developers. See the COPYRIGHT
+// file at the top-level directory of this distribution and at
+// http://rust-lang.org/COPYRIGHT.
+//
+// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
+// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
+// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
+// option. This file may not be copied, modified, or distributed
+// except according to those terms.
+
+pub trait Trait where Self::Out: std::fmt::Display {
+ type Out;
+}
+
+fn main() {}