/guava/android/guava/src/com/google/common/graph/EndpointPairIterator.java
return false;
if ( !nodeIterator.hasNext ( ) ) { return false; }
private EndpointPairIterator(BaseGraph<N> graph) { this.graph = graph; this.nodeIterator = graph.nodes().iterator(); } final boolean advance() { checkState(!successorIterator.hasNext()); <extra_id_0> node = nodeIterator.next(); successorIterator = graph.successors(node).iterator(); return true; } private static final class Directed<N> extends EndpointPairIterator<N> { private Directed(BaseGraph<N> graph) {