From a7352711e1d6c36b16235c042e139946ad6fb35c Mon Sep 17 00:00:00 2001
From: Ben Culkin <scorpress@gmail.com>
Date: Fri, 26 Feb 2021 16:15:54 -0500
Subject: Update

---
 src/main/java/bjc/data/Option.java | 19 ++++++++++++++-----
 1 file changed, 14 insertions(+), 5 deletions(-)

(limited to 'src/main/java/bjc/data/Option.java')

diff --git a/src/main/java/bjc/data/Option.java b/src/main/java/bjc/data/Option.java
index 6c76d59..6ca8b13 100644
--- a/src/main/java/bjc/data/Option.java
+++ b/src/main/java/bjc/data/Option.java
@@ -13,7 +13,15 @@ import java.util.function.UnaryOperator;
  */
 public class Option<ContainedType> implements Holder<ContainedType> {
 	private ContainedType held;
-
+	private boolean isHolding;
+	
+	/**
+	 * Create a new empty optional.
+	 */
+	public Option() {
+	    isHolding = false;
+	}
+	
 	/**
 	 * Create a new optional, using the given initial value.
 	 *
@@ -22,12 +30,13 @@ public class Option<ContainedType> implements Holder<ContainedType> {
 	 */
 	public Option(final ContainedType seed) {
 		held = seed;
+		isHolding = true;
 	}
 
 	@Override
 	public <BoundType> Holder<BoundType>
 			bind(final Function<ContainedType, Holder<BoundType>> binder) {
-		if (held == null) return new Option<>(null);
+		if (isHolding) return new Option<>();
 
 		return binder.apply(held);
 	}
@@ -41,7 +50,7 @@ public class Option<ContainedType> implements Holder<ContainedType> {
 	@Override
 	public <MappedType> Holder<MappedType>
 			map(final Function<ContainedType, MappedType> mapper) {
-		if (held == null) return new Option<>(null);
+		if (isHolding) return new Option<>();
 
 		return new Option<>(mapper.apply(held));
 	}
@@ -49,7 +58,7 @@ public class Option<ContainedType> implements Holder<ContainedType> {
 	@Override
 	public Holder<ContainedType>
 			transform(final UnaryOperator<ContainedType> transformer) {
-		if (held != null) held = transformer.apply(held);
+		if (isHolding) held = transformer.apply(held);
 
 		return this;
 	}
@@ -57,7 +66,7 @@ public class Option<ContainedType> implements Holder<ContainedType> {
 	@Override
 	public <UnwrappedType> UnwrappedType
 			unwrap(final Function<ContainedType, UnwrappedType> unwrapper) {
-		if (held == null) return null;
+		if (isHolding) return null;
 
 		return unwrapper.apply(held);
 	}
-- 
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