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| author | Jean-Alexandre Barszcz <[email protected]> | 2017-12-02 02:53:08 -0500 |
|---|---|---|
| committer | Jean-Alexandre Barszcz <[email protected]> | 2017-12-06 15:12:16 -0500 |
| commit | f8ccbc01e43293d610973328dfcaf5f3753c9d92 (patch) | |
| tree | 10bc4fda38f933d7f2cc146695f194903e630bac /lib/stdlib/doc/src/digraph.xml | |
| parent | cba4dc777a3b870985d0a925c7b4e827468a4bb2 (diff) | |
| download | otp-f8ccbc01e43293d610973328dfcaf5f3753c9d92.tar.gz otp-f8ccbc01e43293d610973328dfcaf5f3753c9d92.tar.bz2 otp-f8ccbc01e43293d610973328dfcaf5f3753c9d92.zip | |
digraph: Document a bad_edge error
Diffstat (limited to 'lib/stdlib/doc/src/digraph.xml')
| -rw-r--r-- | lib/stdlib/doc/src/digraph.xml | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/lib/stdlib/doc/src/digraph.xml b/lib/stdlib/doc/src/digraph.xml index 5332d7aba5..db96beed6c 100644 --- a/lib/stdlib/doc/src/digraph.xml +++ b/lib/stdlib/doc/src/digraph.xml @@ -170,6 +170,10 @@ <p>If the edge would create a cycle in an <seealso marker="#acyclic_digraph">acyclic digraph</seealso>, <c>{error, {bad_edge, <anno>Path</anno>}}</c> is returned. + If <c><anno>G</anno></c> already has an edge with value + <c><anno>E</anno></c> connecting a different pair of vertices, + <c>{error, {bad_edge, [<anno>V1</anno>, <anno>V2</anno>]}}</c> + is returned. If either of <c><anno>V1</anno></c> or <c><anno>V2</anno></c> is not a vertex of digraph <c><anno>G</anno></c>, <c>{error, {bad_vertex, </c><anno>V</anno><c>}}</c> is |