Replace std::unique_ptr with a custom implementation

<memory> is a costly header we can avoid by just implementing
UniquePtr ourselves, which is a pretty straightforward in modern
C++, this saves around 10% of the compilation time here.

1 files changed, 2 insertions, 2 deletions

diff --git a/src/value.hh b/src/value.hh
index f38e4fa2..0895927b 100644
--- a/src/value.hh
+++ b/src/value.hh
@@ -3,9 +3,9 @@
 
 #include "hash_map.hh"
 #include "meta.hh"
+#include "unique_ptr.hh"
 
 #include <type_traits>
-#include <memory>
 
 namespace Kakoune
 {
@@ -68,7 +68,7 @@ private:
         T m_content;
     };
 
-    std::unique_ptr<Concept> m_value;
+    UniquePtr<Concept> m_value;
 };
 
 enum class ValueId : int {};