summaryrefslogtreecommitdiffstats
path: root/src/jrummikub/ai/fdsolver/constraint/SumConstraint.java
diff options
context:
space:
mode:
Diffstat (limited to 'src/jrummikub/ai/fdsolver/constraint/SumConstraint.java')
-rw-r--r--src/jrummikub/ai/fdsolver/constraint/SumConstraint.java2
1 files changed, 1 insertions, 1 deletions
diff --git a/src/jrummikub/ai/fdsolver/constraint/SumConstraint.java b/src/jrummikub/ai/fdsolver/constraint/SumConstraint.java
index 80b19e2..c96a751 100644
--- a/src/jrummikub/ai/fdsolver/constraint/SumConstraint.java
+++ b/src/jrummikub/ai/fdsolver/constraint/SumConstraint.java
@@ -10,7 +10,7 @@ import jrummikub.ai.fdsolver.Propagator;
import jrummikub.ai.fdsolver.Satisfiability;
import jrummikub.ai.fdsolver.Var;
-public class SumConstraint implements Constraint {
+public class SumConstraint extends Constraint {
Var<Integer> x, y, z;
public SumConstraint(Var<Integer> x, Var<Integer> y, Var<Integer> z) {