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Diffstat (limited to 'lib/Graph/Implicit.pm')
| -rw-r--r-- | lib/Graph/Implicit.pm | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/lib/Graph/Implicit.pm b/lib/Graph/Implicit.pm index 8c8c608..d54bf9a 100644 --- a/lib/Graph/Implicit.pm +++ b/lib/Graph/Implicit.pm @@ -52,6 +52,7 @@ sub _traversal { my $bag = $create->(); my %marked; my %pred; + $pred{$start} = undef; $insert->($bag, [undef, $start], 0); while ($notempty->($bag)) { my ($pred, $vertex) = @{ $remove->($bag) }; |