1 files changed, 25 insertions, 0 deletions
diff --git a/dice/src/main/java/bjc/dicelang/neodice/diepool/ExpandDiePool.java b/dice/src/main/java/bjc/dicelang/neodice/diepool/ExpandDiePool.java
new file mode 100644
index 0000000..7c58e72
--- /dev/null
+++ b/dice/src/main/java/bjc/dicelang/neodice/diepool/ExpandDiePool.java
@@ -0,0 +1,25 @@
+package bjc.dicelang.neodice.diepool;
+
+import java.util.*;
+import java.util.function.*;
+import java.util.stream.*;
+
+import bjc.dicelang.neodice.*;
+
+public class ExpandDiePool<SideType> implements IDiePool<SideType> {
+	private final IDie<SideType> contained;
+	
+	private final BiFunction<IDie<SideType>, Random, Stream<SideType>> expander;
+
+	public ExpandDiePool(IDie<SideType> contained,
+			BiFunction<IDie<SideType>, Random, Stream<SideType>> expander) {
+		this.contained = contained;
+		this.expander = expander;
+	}
+
+
+	@Override
+	public Stream<SideType> roll(Random rng) {
+		return expander.apply(contained, rng);
+	}
+}