From: Mikko Rasa <tdb@tdb.fi>
Date: Mon, 15 May 2023 20:38:13 +0000 (+0300)
Subject: Allow clearing an Owned by assigning nullptr
X-Git-Url: https://git.tdb.fi/?a=commitdiff_plain;h=544e535b6e9a4162fa7dd8d2645f7e7d720c9a88;p=libs%2Fgame.git

Allow clearing an Owned by assigning nullptr
---

diff --git a/source/game/owned.h b/source/game/owned.h
index d6e4348..9b9d99c 100644
--- a/source/game/owned.h
+++ b/source/game/owned.h
@@ -39,6 +39,8 @@ public:
 		requires std::is_base_of_v<T, U>
 	Owned &operator=(Owned<U> &&other) { assign(std::move(other)); return *this; }
 
+	Owned &operator=(std::nullptr_t);
+
 	~Owned() { destroy(); }
 
 private:
@@ -83,6 +85,14 @@ Owned<T>::Owned(Handle<P> parent, Args &&... args)
 	}
 }
 
+template<typename T>
+Owned<T> &Owned<T>::operator=(std::nullptr_t)
+{
+	destroy();
+	this->ptr = nullptr;
+	return *this;
+}
+
 template<typename T>
 template<typename U>
 void Owned<T>::assign(Owned<U> &&other)