Method apply

output/java_guava/1.4.18/ImmutableNetwork.java:109–112

(E edge)

  private static <N, E> Function<E, N> sourceNodeFn(final Network<N, E> graph) {
    return new Function<E, N>() {
      @Override
      public N apply(E edge) {
        return graph.source(edge);
      }
    };
  }