From f9283a20abd9eaed0b0436bc54c60576233121f4 Mon Sep 17 00:00:00 2001
From: bculkin2442 <bjculkin@mix.wvu.edu>
Date: Mon, 11 Apr 2016 09:32:59 -0400
Subject: Added new method to pairs and holders

---
 BJC-Utils2/src/main/java/bjc/utils/data/IPair.java | 18 +++++++++++++++++-
 1 file changed, 17 insertions(+), 1 deletion(-)

(limited to 'BJC-Utils2/src/main/java/bjc/utils/data/IPair.java')

diff --git a/BJC-Utils2/src/main/java/bjc/utils/data/IPair.java b/BJC-Utils2/src/main/java/bjc/utils/data/IPair.java
index e2ee6a4..a20ff36 100644
--- a/BJC-Utils2/src/main/java/bjc/utils/data/IPair.java
+++ b/BJC-Utils2/src/main/java/bjc/utils/data/IPair.java
@@ -14,7 +14,7 @@ import java.util.function.Function;
  * @param <R>
  *            The type stored in the right side of the pair
  */
-public interface IPair<L, R> {
+public interface IPair<L, R>  {
 
 	/**
 	 * Create a new pair by applying the given functions to the left/right.
@@ -34,6 +34,22 @@ public interface IPair<L, R> {
 	public <L2, R2> IPair<L2, R2> apply(Function<L, L2> leftTransformer,
 			Function<R, R2> rightTransformer);
 
+	/**
+	 * Apply a function to the two internal values that returns a new pair.
+	 * 
+	 * Is a monadic bind.
+	 * 
+	 * @param <L2>
+	 *            The new left pair type
+	 * @param <R2>
+	 *            The new right pair type
+	 * @param binder
+	 *            The function to use as a bind
+	 * @return The new pair
+	 */
+	public <L2, R2> IPair<L2, R2>
+			bind(BiFunction<L, R, IPair<L2, R2>> binder);
+
 	/**
 	 * Execute an action with the values of this pair. Has no effect on the
 	 * internal contents
-- 
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