| trait Node { |
| fn zomg(); |
| } |
| |
| trait Graph<N: Node> { |
| fn nodes<'a, I: Iterator<Item=&'a N>>(&'a self) -> I |
| where N: 'a; |
| } |
| |
| impl<N: Node> Graph<N> for Vec<N> { |
| fn nodes<'a, I: Iterator<Item=&'a N>>(&self) -> I |
| where N: 'a |
| { |
| self.iter() //~ ERROR mismatched types |
| } |
| } |
| |
| struct Stuff; |
| |
| impl Node for Stuff { |
| fn zomg() { |
| println!("zomg"); |
| } |
| } |
| |
| fn iterate<N: Node, G: Graph<N>>(graph: &G) { |
| for node in graph.iter() { //~ ERROR no method named `iter` found |
| node.zomg(); |
| } |
| } |
| |
| pub fn main() { |
| let graph = Vec::new(); |
| |
| graph.push(Stuff); |
| |
| iterate(graph); //~ ERROR mismatched types |
| } |