removed examples and modernize with forward declarations

.github/workflows/cmake-multi-platform.yml

@@ -61,7 +61,11 @@ jobs:
       run: cmake --build ${{ steps.vars.outputs.dir }} --config ${{ matrix.build_type }}
 
     - name: Test
-      working-directory: ${{ steps.strings.outputs.build-output-dir }}
-      # Execute tests defined by the CMake configuration. Note that --build-config is needed because the default Windows generator is a multi-config generator (Visual Studio generator).
-      # See https://cmake.org/cmake/help/latest/manual/ctest.1.html for more detail
-      run: ctest --build-config ${{ matrix.build_type }} --verbose
+      working-directory: ${{ steps.vars.outputs.dir }}
+      shell: bash
+      run: |
+        if [[ "${{ matrix.os }}" == "windows-latest" ]]; then
+          ctest --build-config ${{ matrix.build_type }} --verbose
+        else
+          ctest --verbose
+        fi

CMakeLists.txt

@@ -40,13 +40,9 @@ endif()
 set(SOURCES
     position.cpp
     attacks.cpp "zobrist.cpp"
- "moves_io.cpp" "printers.cpp" "repetition.h")
+ "moves_io.cpp" "printers.cpp" "repetition.h" "fwd_decl.h")
 add_library(chesslib STATIC ${SOURCES})
 target_include_directories(chesslib PUBLIC ${CMAKE_CURRENT_SOURCE_DIR})
-add_executable(perft_tt examples/perft_with_tt.cpp)
-target_link_libraries(perft_tt PRIVATE chesslib "${ASAN_RUNTIME_LIBS}")
-add_executable(debug_efficiency examples/dbg_efficiency.cpp)
-target_link_libraries(debug_efficiency PRIVATE chesslib)
 # --- Enable CTest integration ---
 enable_testing()
 include(FetchContent)

fwd_decl.h

@@ -0,0 +1,25 @@
+#pragma once
+#include <cstdint>
+#include <type_traits>
+namespace chess {
+enum Color : uint8_t;
+enum PieceType : std::int8_t;
+
+template <typename T, typename = void> struct is_piece_enum : std::false_type {};
+
+template <typename T> struct is_piece_enum<T, std::void_t<decltype(T::PIECE_NB)>> : std::true_type {};
+enum CastlingRights : int8_t;
+enum Square : int8_t;
+enum Direction : int8_t;
+enum MoveType : uint16_t;
+enum File : int8_t;
+enum Rank : int8_t;
+class Move;
+template <typename T, typename> class _Position;
+using Bitboard=uint64_t;
+using Key = uint64_t;
+// bonus: define the piece enums here
+enum class PolyglotPiece : uint8_t;
+enum class EnginePiece : uint8_t;
+enum class ContiguousMappingPiece : uint8_t;
+} // namespace chess