remove reference_wrapper

hellokartikey · Aug 29, 2023 · e6560c7 · e6560c7
1 parent 55b0e59
commit e6560c7
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Showing 3 changed files with 4 additions and 7 deletions.
diff --git a/src/chess++/move.h b/src/chess++/move.h
@@ -2,7 +2,6 @@
 #define CHESSPP_MOVE_H
 
 #include <array>
-#include <functional>
 #include <optional>
 #include <string_view>
 
@@ -34,7 +33,7 @@ class Move {
 
  private:
   int index_;
-  std::array<std::optional<std::reference_wrapper<Ply>>, 2> ply_;
+  std::array<std::optional<Ply>, 2> ply_;
 };
 }  // namespace chess
 

diff --git a/src/chess++/piece.h b/src/chess++/piece.h
@@ -1,7 +1,6 @@
 #ifndef CHESSPP_PIECE_H
 #define CHESSPP_PIECE_H
 
-#include <functional>
 #include <optional>
 #include <vector>
 
@@ -33,13 +32,13 @@ class Piece {
 }  // namespace chess
 
 namespace chess::types {
-using piece_optional = std::optional<std::reference_wrapper<Piece>>;
-using piece_vector = std::vector<std::reference_wrapper<Piece>>;
+using piece_optional = std::optional<Piece>;
+using piece_vector = std::vector<Piece>;
 using nullpiece = std::nullopt_t;
 }  // namespace chess::types
 
 namespace chess {
-constexpr std::nullopt_t nullpiece = std::nullopt;
+constexpr types::nullpiece nullpiece = std::nullopt;
 }
 
 #endif
diff --git a/src/chess++/square.h b/src/chess++/square.h
@@ -1,7 +1,6 @@
 #ifndef CHESSPP_SQUARE_H
 #define CHESSPP_SQUARE_H
 
-#include <functional>
 #include <vector>
 
 #include "constants.h"