storage: safe self-move to support standard containers (close #601)

2020-12-01 22:59:14 +01:00
parent 0b73082aa0
commit 9d687c25b3
1 changed files with 3 additions and 2 deletions
--- a/src/entt/entity/storage.hpp
+++ b/src/entt/entity/storage.hpp
@@ -169,7 +169,8 @@ class basic_storage: public basic_sparse_set<Entity> {
    }

    void swap_and_pop(const std::size_t pos) final {
-        instances[pos] = std::move(instances.back());
+        auto other = std::move(instances.back());
+        instances[pos] = std::move(other);
        instances.pop_back();
    }

@@ -466,7 +467,7 @@ public:

    /**
     * @brief Sort all elements according to the given comparison function.
-     * 
+     *
     * @sa sort_n
     *
     * @tparam Compare Type of comparison function object.