1 // Copyright 2014 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.
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.
15 trait Graph<N: Node> {
16 fn nodes<'a, I: Iterator<Item=&'a N>>(&'a self) -> I;
19 impl<N: Node> Graph<N> for Vec<N> {
20 fn nodes<'a, I: Iterator<Item=&'a N>>(&self) -> I {
21 self.iter() //~ ERROR mismatched types
33 fn iterate<N: Node, G: Graph<N>>(graph: &G) {
34 for node in graph.iter() { //~ ERROR does not implement any method in scope named
35 node.zomg(); //~ error: the type of this value must be known in this context
40 let graph = Vec::new();
44 iterate(graph); //~ ERROR mismatched types