From 2e6fcb1d048edd13a2ec69ddd226fc8ebabc2389 Mon Sep 17 00:00:00 2001
From: Loek Le Blansch <loek@pipeframe.xyz>
Date: Sat, 7 Dec 2024 16:01:19 +0100
Subject: add SaveManager to Script

---
 src/crepe/util/OptionalRef.h   | 10 +++++++++-
 src/crepe/util/OptionalRef.hpp |  7 +++++++
 2 files changed, 16 insertions(+), 1 deletion(-)

(limited to 'src/crepe/util')

diff --git a/src/crepe/util/OptionalRef.h b/src/crepe/util/OptionalRef.h
index 3201667..1b2cb3f 100644
--- a/src/crepe/util/OptionalRef.h
+++ b/src/crepe/util/OptionalRef.h
@@ -25,13 +25,21 @@ public:
 	 */
 	OptionalRef<T> & operator=(T & ref);
 	/**
-	 * \brief Retrieve this reference
+	 * \brief Retrieve this reference (cast)
 	 *
 	 * \returns Internal reference if it is set
 	 *
 	 * \throws std::runtime_error if this function is called while the reference it not set
 	 */
 	operator T &() const;
+	/**
+	 * \brief Retrieve this reference (member access)
+	 *
+	 * \returns Internal reference if it is set
+	 *
+	 * \throws std::runtime_error if this function is called while the reference it not set
+	 */
+	T * operator->() const;
 	/**
 	 * \brief Check if this reference is not empty
 	 *
diff --git a/src/crepe/util/OptionalRef.hpp b/src/crepe/util/OptionalRef.hpp
index 4608c9e..5e36b3a 100644
--- a/src/crepe/util/OptionalRef.hpp
+++ b/src/crepe/util/OptionalRef.hpp
@@ -18,6 +18,13 @@ OptionalRef<T>::operator T &() const {
 	return *this->ref;
 }
 
+template <typename T>
+T * OptionalRef<T>::operator->() const {
+	if (this->ref == nullptr)
+		throw std::runtime_error("OptionalRef: attempt to dereference nullptr");
+	return this->ref;
+}
+
 template <typename T>
 OptionalRef<T> & OptionalRef<T>::operator=(T & ref) {
 	this->ref = &ref;
-- 
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