Trait GraphPredecessors
rustc_ap_rustc_data_structures::graph
pub trait GraphPredecessors<'graph> { type Item; type Iter: Iterator<Item = Self::Item>; }
type Item
type Iter: Iterator<Item = Self::Item>
impl<'iter, 'graph, G: WithPredecessors> GraphPredecessors<'iter> for &'graph G
type Item = G::Node
type Iter = <G as GraphPredecessors<'iter>>::Iter