Trait WithPredecessors
rustc_ap_rustc_data_structures::graph
pub trait WithPredecessors: DirectedGraph where Self: for<'graph> GraphPredecessors<'graph, Item = Self::Node>, { fn predecessors(&self, node: Self::Node) -> Self::Iter; }
fn predecessors(&self, node: Self::Node) -> Self::Iter
impl<'graph, G: WithPredecessors> WithPredecessors for &'graph G