File 0747-Clarify-that-digraphs-are-implemented-usin... of Package erlang

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File 0747-Clarify-that-digraphs-are-implemented-using-ETS-tabl.patch of Package erlang (Revision b1dff5cbf87755f120bfe931af793e05)

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From fb49944ed47c0aad24a1e6423ef6079a0281156d Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Bj=C3=B6rn=20Gustavsson?= <bjorn@erlang.org>
Date: Fri, 23 Aug 2019 11:54:30 +0200
Subject: [PATCH] Clarify that digraphs are implemented using ETS tables

https://bugs.erlang.org/browse/ERL-1032
---
 lib/stdlib/doc/src/digraph.xml | 21 +++++++++++++++++----
 1 file changed, 17 insertions(+), 4 deletions(-)

diff --git a/lib/stdlib/doc/src/digraph.xml b/lib/stdlib/doc/src/digraph.xml
index cf2c0844c9..fa6d2b81fe 100644
--- a/lib/stdlib/doc/src/digraph.xml
+++ b/lib/stdlib/doc/src/digraph.xml
@@ -36,10 +36,23 @@
 <modulesummary>Directed graphs.</modulesummary>
 <description>
 This module provides a version of labeled
- directed graphs. What makes the graphs provided here
- non-proper directed graphs is that multiple edges between
- vertices are allowed. However, the customary definition of
- directed graphs is used here.
+ directed graphs ("digraphs").
+
+ The digraphs managed by this module are stored in
+ <seealso marker="ets">ETS tables</seealso>.
+ That implies the following:
+
+ <list type="bulleted">
+ <item>Only the process that created the digraph is allowed to update it.</item>
+ <item>Digraphs will not be garbage collected. The ETS tables used for a
+ digraph will only be deleted when <seealso marker="#delete/1"><c>delete/1</c></seealso>
+ is called or the process that created the digraph terminates.</item>
+ <item>A digraph is a mutable data structure.</item>
+ </list>
+ 
+ What makes the graphs provided here non-proper directed graphs
+ is that multiple edges between vertices are allowed. However, the
+ customary definition of directed graphs is used here.
 
 <list type="bulleted">
 <item>
-- 
2.16.4

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File 0747-Clarify-that-digraphs-are-implemented-using-ETS-tabl.patch of Package erlang (Revision b1dff5cbf87755f120bfe931af793e05)

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