From 816e375ae7c5f33cf1006ea838809159684559ac Mon Sep 17 00:00:00 2001
From: Michael Williamson <mike@zwobble.org>
Date: Wed, 13 Jan 2016 21:21:50 +0000
Subject: Introduce SwitchCaseNode to simplify types

---
 src/main/java/org/zwobble/couscous/util/Fold.java | 13 +++++++++++++
 1 file changed, 13 insertions(+)
 create mode 100644 src/main/java/org/zwobble/couscous/util/Fold.java

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

diff --git a/src/main/java/org/zwobble/couscous/util/Fold.java b/src/main/java/org/zwobble/couscous/util/Fold.java
new file mode 100644
index 0000000..85622ed
--- /dev/null
+++ b/src/main/java/org/zwobble/couscous/util/Fold.java
@@ -0,0 +1,13 @@
+package org.zwobble.couscous.util;
+
+import java.util.function.BiFunction;
+
+public class Fold {
+    public static <T, V> V foldLeft(Iterable<T> iterable, V initialValue, BiFunction<V, T, V> function) {
+        V value = initialValue;
+        for (T element : iterable) {
+            value = function.apply(value, element);
+        }
+        return value;
+    }
+}
-- 
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