X-Git-Url: https://git.sesse.net/?a=blobdiff_plain;f=src%2Fnnue%2Fevaluate_nnue.cpp;h=f132de71385d01e6639f088d97c5a3884a0d6015;hb=e9e7a7b83f78b5c7d29f69083589b449d9b52390;hp=06281da06a5368508724ab3987b56848ee03ce94;hpb=5a88c5bb9b3e5ee431ac85abb8981b1571b68b2d;p=stockfish

diff --git a/src/nnue/evaluate_nnue.cpp b/src/nnue/evaluate_nnue.cpp
index 06281da0..f132de71 100644
--- a/src/nnue/evaluate_nnue.cpp
+++ b/src/nnue/evaluate_nnue.cpp
@@ -18,11 +18,12 @@
 
 // Code for calculating NNUE evaluation function
 
+#include <fstream>
+#include <iomanip>
 #include <iostream>
 #include <set>
 #include <sstream>
-#include <iomanip>
-#include <fstream>
+#include <string_view>
 
 #include "../evaluate.h"
 #include "../position.h"
@@ -210,7 +211,7 @@ namespace Stockfish::Eval::NNUE {
     return t;
   }
 
-  static const std::string PieceToChar(" PNBRQK  pnbrqk");
+  constexpr std::string_view PieceToChar(" PNBRQK  pnbrqk");
 
 
   // format_cp_compact() converts a Value into (centi)pawns and writes it in a buffer.