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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
}
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