Document subgraph_view (#3627)

Fixes #3625 

1 files changed, 6 insertions, 12 deletions

diff --git a/networkx/classes/function.py b/networkx/classes/function.py
index 08060dca..9764db5d 100644
--- a/networkx/classes/function.py
+++ b/networkx/classes/function.py
@@ -21,11 +21,14 @@ except ImportError:
 import networkx as nx
 from networkx.utils import pairwise, not_implemented_for
 
+from networkx.classes.graphviews import subgraph_view, reverse_view
+
 __all__ = ['nodes', 'edges', 'degree', 'degree_histogram', 'neighbors',
            'number_of_nodes', 'number_of_edges', 'density',
-           'is_directed', 'info', 'freeze', 'is_frozen', 'subgraph',
-           'induced_subgraph', 'edge_subgraph', 'restricted_view',
-           'reverse_view', 'to_directed', 'to_undirected',
+           'is_directed', 'info', 'freeze', 'is_frozen',
+           'subgraph', 'subgraph_view', 'induced_subgraph', 'reverse_view',
+           'edge_subgraph', 'restricted_view',
+           'to_directed', 'to_undirected',
            'add_star', 'add_path', 'add_cycle',
            'create_empty_copy', 'set_node_attributes',
            'get_node_attributes', 'set_edge_attributes',
@@ -492,15 +495,6 @@ def restricted_view(G, nodes, edges):
     return nx.graphviews.subgraph_view(G, hide_nodes, hide_edges)
 
 
-@not_implemented_for('undirected')
-def reverse_view(digraph):
-    """Provide a reverse view of the digraph with edges reversed.
-
-    Identical to digraph.reverse(copy=False)
-    """
-    return nx.graphviews.reverse_view(digraph)
-
-
 def to_directed(graph):
     """Returns a directed view of the graph `graph`.