⚡ keys are now returned as const reference #1098

2026-08-17 14:43:17 +00:00 · 2018-05-26 13:26:40 +02:00
parent 4639bb2c8f
commit 90eb0a91e0
3 changed files with 30 additions and 10 deletions
@@ -583,7 +583,7 @@ class iter_impl
    @brief  return the key of an object iterator
    @pre The iterator is initialized; i.e. `m_object != nullptr`.
    */
-    typename object_t::key_type key() const
+    const typename object_t::key_type& key() const
    {
        assert(m_object != nullptr);