From 561432667229f94fa22adbd5ff083d0bddea482e Mon Sep 17 00:00:00 2001
From: Michael Williamson <mike@zwobble.org>
Date: Wed, 13 Jan 2016 21:02:11 +0000
Subject: Tidy up processing of statements in switch

---
 src/main/java/org/zwobble/couscous/util/Tails.java | 26 ++++++++++++++++++++++
 1 file changed, 26 insertions(+)
 create mode 100644 src/main/java/org/zwobble/couscous/util/Tails.java

(limited to 'src/main/java/org/zwobble/couscous/util/Tails.java')

diff --git a/src/main/java/org/zwobble/couscous/util/Tails.java b/src/main/java/org/zwobble/couscous/util/Tails.java
new file mode 100644
index 0000000..f9ec724
--- /dev/null
+++ b/src/main/java/org/zwobble/couscous/util/Tails.java
@@ -0,0 +1,26 @@
+package org.zwobble.couscous.util;
+
+import java.util.Iterator;
+import java.util.List;
+
+public class Tails {
+    public static <T> Iterable<List<T>> tails(List<T> list) {
+        return () -> new Iterator<List<T>>() {
+            private int startIndex = 0;
+
+            @Override
+            public boolean hasNext() {
+                return startIndex < list.size();
+            }
+
+            @Override
+            public List<T> next() {
+                return list.subList(startIndex++, list.size());
+            }
+        };
+    }
+
+    public static <T> List<T> tail(List<T> list) {
+        return list.subList(1, list.size());
+    }
+}
-- 
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