Update to C++23 and fix const iterator bug

.gitignore

@@ -44,4 +44,6 @@ buckaroo_macros.bzl
 
 # CMake
 .build/
-build/
+build/
+_codeql_build_dir/
+_codeql_detected_source_root

CMakeLists.txt

@@ -6,7 +6,7 @@ include(FetchContent)
 project(Array VERSION 1.0)
 
 # Set the C++ standard
-set(CMAKE_CXX_STANDARD 20)
+set(CMAKE_CXX_STANDARD 23)
 set(CMAKE_CXX_STANDARD_REQUIRED True)
 
 # Include directories
@@ -47,6 +47,7 @@ target_include_directories(array INTERFACE
   $<BUILD_INTERFACE:${CMAKE_CURRENT_SOURCE_DIR}/include>
   $<INSTALL_INTERFACE:include>
 )
+target_compile_features(array INTERFACE cxx_std_23)
 target_link_libraries(array INTERFACE fmt::fmt)
 
 # Add the executable target for the main application (for testing purposes)
@@ -63,33 +64,4 @@ include(Catch)
 catch_discover_tests(test_runner)
 
 # Install the library headers
-install(DIRECTORY include/ DESTINATION include)
-
-# Export the targets
-install(TARGETS array EXPORT ArrayTargets)
-
-# Generate and install the CMake configuration files
-include(CMakePackageConfigHelpers)
-write_basic_package_version_file(
-  "${CMAKE_CURRENT_BINARY_DIR}/ArrayConfigVersion.cmake"
-  VERSION ${PROJECT_VERSION}
-  COMPATIBILITY AnyNewerVersion
-)
-
-configure_package_config_file(
-  "${CMAKE_CURRENT_SOURCE_DIR}/ArrayConfig.cmake.in"
-  "${CMAKE_CURRENT_BINARY_DIR}/ArrayConfig.cmake"
-  INSTALL_DESTINATION lib/cmake/Array
-)
-
-install(FILES
-  "${CMAKE_CURRENT_BINARY_DIR}/ArrayConfig.cmake"
-  "${CMAKE_CURRENT_BINARY_DIR}/ArrayConfigVersion.cmake"
-  DESTINATION lib/cmake/Array
-)
-
-install(EXPORT ArrayTargets
-  FILE ArrayTargets.cmake
-  NAMESPACE Array::
-  DESTINATION lib/cmake/Array
-)
+install(DIRECTORY include/ DESTINATION include)

README.md

@@ -9,7 +9,7 @@ This project uses CMake as its build system. A Makefile is provided for convenie
 
 ### Prerequisites
 
-- C++ compiler with C++20 support
+- C++ compiler with C++23 support
 - CMake (version 3.10 or higher)
 - Make (optional, for using the provided Makefile)