# HG changeset patch
# User wenzelm
# Date 1422276277 -3600
# Node ID e7cbfe240078170278a9333434c893588c71fcc4
# Parent  4427f04fca57ea90f7fd8dbc271ac29a9268ec75
complete pattern coverage, e.g. relevant for singleton graph;

diff -r 4427f04fca57 -r e7cbfe240078 src/Tools/Graphview/layout.scala
--- a/src/Tools/Graphview/layout.scala	Sun Jan 25 22:11:06 2015 +0100
+++ b/src/Tools/Graphview/layout.scala	Mon Jan 26 13:44:37 2015 +0100
@@ -235,6 +235,7 @@
                 graph.imm_succs(top(inner_parent)).iterator.map(bot.indexOf(_)).
                   filter(inner_child => outer_child < inner_child).size).sum).sum
         }.sum
+      case _ => 0
     }.sum