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authorLoek Le Blansch <loek@pipeframe.xyz>2024-12-11 13:58:19 +0100
committerLoek Le Blansch <loek@pipeframe.xyz>2024-12-11 13:58:19 +0100
commitd228d4b3856606ad4395723b2703759a0ebe9832 (patch)
treebfd3019ca2c9bec258fffca9a9204ddc88768264 /src/crepe/util
parent770496ee9d0e45480c0e0f8951adb8eee247bfe1 (diff)
parentc45b60941b82dec2097d958b396a117b1634eada (diff)
Merge branch 'master' into loek/replay
Diffstat (limited to 'src/crepe/util')
-rw-r--r--src/crepe/util/OptionalRef.h10
-rw-r--r--src/crepe/util/OptionalRef.hpp7
2 files changed, 16 insertions, 1 deletions
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
@@ -25,7 +25,7 @@ public:
*/
OptionalRef<T> & operator=(T & ref);
/**
- * \brief Retrieve this reference
+ * \brief Retrieve this reference (cast)
*
* \returns Internal reference if it is set
*
@@ -33,6 +33,14 @@ public:
*/
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
*
* \returns `true` if reference is set, or `false` if it is not
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
@@ -19,6 +19,13 @@ OptionalRef<T>::operator T &() const {
}
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;
return *this;