6 fn iter_values_anon(&self) -> impl Iterator<Item=u32> {
7 self.x.iter().map(|a| a.0)
9 //~^^ ERROR cannot infer an appropriate lifetime
10 fn iter_values<'a>(&'a self) -> impl Iterator<Item=u32> {
11 self.x.iter().map(|a| a.0)
13 //~^^ ERROR cannot infer an appropriate lifetime