1 files changed, 31 insertions, 0 deletions
diff --git a/base/src/bjc/dicelang/dice/DieList.java b/base/src/bjc/dicelang/dice/DieList.java
new file mode 100644
index 0000000..48006d4
--- /dev/null
+++ b/base/src/bjc/dicelang/dice/DieList.java
@@ -0,0 +1,31 @@
+package bjc.dicelang.dice;
+
+/**
+ * Represents a group of dice.
+ *
+ * @author Ben Culkin.
+ */
+public interface DieList {
+	/**
+	 * Can this list be optimized?
+	 *
+	 * @return Whether or not this list can be optimized.
+	 */
+	boolean canOptimize();
+
+	/**
+	 * Optimize this list, if it can be done.
+	 *
+	 * Invoking this on unoptimizable expression is undefined.
+	 *
+	 * @return The optimized form of this list.
+	 */
+	long[] optimize();
+
+	/**
+	 * Roll this group of dice.
+	 *
+	 * @return A possible roll of this group.
+	 */
+	long[] roll();
+}