From 987fd8406d65505aedecd17e51216eb0ce393fbb Mon Sep 17 00:00:00 2001
From: Adrien Hopkins <adrien.p.hopkins@gmail.com>
Date: Wed, 22 May 2019 17:32:40 -0400
Subject: Added new default methods to the Unit interface.

---
 src/org/unitConverter/math/ExpressionParser.java | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

(limited to 'src/org/unitConverter/math/ExpressionParser.java')

diff --git a/src/org/unitConverter/math/ExpressionParser.java b/src/org/unitConverter/math/ExpressionParser.java
index b2261ed..8a0e97d 100644
--- a/src/org/unitConverter/math/ExpressionParser.java
+++ b/src/org/unitConverter/math/ExpressionParser.java
@@ -55,7 +55,7 @@ public final class ExpressionParser<T> {
 		 * @since 2019-03-14
 		 * @since v0.2.0
 		 */
-		private final Function<String, T> objectObtainer;
+		private final Function<String, ? extends T> objectObtainer;
 
 		/**
 		 * The function of the space as an operator (like 3 x y)
@@ -91,7 +91,7 @@ public final class ExpressionParser<T> {
 		 * @since 2019-03-17
 		 * @since v0.2.0
 		 */
-		public Builder(final Function<String, T> objectObtainer) {
+		public Builder(final Function<String, ? extends T> objectObtainer) {
 			this.objectObtainer = Objects.requireNonNull(objectObtainer, "objectObtainer must not be null.");
 			this.unaryOperators = new HashMap<>();
 			this.binaryOperators = new HashMap<>();
@@ -397,7 +397,7 @@ public final class ExpressionParser<T> {
 	 * @since 2019-03-14
 	 * @since v0.2.0
 	 */
-	private final Function<String, T> objectObtainer;
+	private final Function<String, ? extends T> objectObtainer;
 
 	/**
 	 * A map mapping operator strings to operator functions, for unary operators.
@@ -437,7 +437,7 @@ public final class ExpressionParser<T> {
 	 * @since 2019-03-14
 	 * @since v0.2.0
 	 */
-	private ExpressionParser(final Function<String, T> objectObtainer,
+	private ExpressionParser(final Function<String, ? extends T> objectObtainer,
 			final Map<String, PriorityUnaryOperator<T>> unaryOperators,
 			final Map<String, PriorityBinaryOperator<T>> binaryOperators, final String spaceOperator) {
 		this.objectObtainer = objectObtainer;
-- 
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