(RT #40782) '0' as a hashkey wasn't iterated over correctly.

[dbsrgits/DBM-Deep.git] / lib / DBM / Deep / Hash.pm

diff --git a/lib/DBM/Deep/Hash.pm b/lib/DBM/Deep/Hash.pm
index 102f367..ec7a7a7 100644 (file)
--- a/lib/DBM/Deep/Hash.pm
+++ b/lib/DBM/Deep/Hash.pm
@@ -105,7 +105,7 @@ sub next_key  { (shift)->NEXTKEY(@_)  }
 sub _clear {
     my $self = shift;
 
-    while ( my $key = $self->first_key ) {
+    while ( defined( my $key = $self->first_key ) ) {
         $self->_engine->delete_key( $self, $key, $key );
     }