Cleanup includes

[stockfish] / src / tune.h

diff --git a/src/tune.h b/src/tune.h
index bdbee14e014956135cccbd37c3734141e0779980..3e94f7efc6cfebb0958884a9b8800a2f5986e7dc 100644 (file)
--- a/src/tune.h
+++ b/src/tune.h
@@ -19,12 +19,15 @@
 #ifndef TUNE_H_INCLUDED
 #define TUNE_H_INCLUDED
 
+#include <cstddef>
 #include <memory>
 #include <string>
 #include <type_traits>
+#include <utility>
 #include <vector>
 
 namespace Stockfish {
+enum Value : int;
 
 using Range = std::pair<int, int>; // Option's min-max values
 using RangeFun = Range (int);