More testing.

Add some more testing utilities

1 files changed, 33 insertions, 0 deletions

diff --git a/base/src/main/java/bjc/utils/funcutils/IteratorUtils.java b/base/src/main/java/bjc/utils/funcutils/IteratorUtils.java
new file mode 100644
index 0000000..55e5985
--- /dev/null
+++ b/base/src/main/java/bjc/utils/funcutils/IteratorUtils.java
@@ -0,0 +1,33 @@
+package bjc.utils.funcutils;
+
+import java.util.Iterator;
+
+/**
+ * Utility methods for dealing with iterators.
+ * 
+ * @author bjculkin
+ *
+ */
+public class IteratorUtils {
+	/**
+	 * Convert an iterator to an iterable.
+	 * 
+	 * @param itr
+	 *                The iterator to convert.
+	 * @return An iterable that gives back that iterator.
+	 */
+	public static <E> Iterable<E> I(Iterator<E> itr) {
+		return () -> itr;
+	}
+
+	/**
+	 * Convert an iterable to an iterator.
+	 * 
+	 * @param itr
+	 *                The iterable to convert.
+	 * @return The iterator from that iterable
+	 */
+	public static <E> Iterator<E> I(Iterable<E> itr) {
+		return itr.iterator();
+	}
+}