Introduced CalculatableBlock + basic implementation for valid().

[core.git] / inc / classes / main / index / file_stack / class_FileStackIndex.php

diff --git a/inc/classes/main/index/file_stack/class_FileStackIndex.php b/inc/classes/main/index/file_stack/class_FileStackIndex.php
index 3df30f84f67c12397b95468fd774bfbbc614031b..ebd5fe25dcee457de8038f31d46bf4a60beb0cd0 100644 (file)
--- a/inc/classes/main/index/file_stack/class_FileStackIndex.php
+++ b/inc/classes/main/index/file_stack/class_FileStackIndex.php
@@ -21,7 +21,7 @@
  * You should have received a copy of the GNU General Public License
  * along with this program. If not, see <http://www.gnu.org/licenses/>.
  */
-class FileStackIndex extends BaseIndex implements IndexableStack, Registerable {
+class FileStackIndex extends BaseIndex implements IndexableStack, CalculatableBlock, Registerable {
        /**
         * Protected constructor
         *