Use a precompiled header for many std includes.

CMakeLists.txt

@@ -1,4 +1,4 @@
-cmake_minimum_required(VERSION 3.13)
+cmake_minimum_required(VERSION 3.16)
 project(Arbutils)
 
 # Enable all warnings, and make them error when occurring.
@@ -30,6 +30,7 @@ endif()
 # Grab all cpp and hpp files in our source directories.
 file(GLOB_RECURSE SRC_FILES "src/*.cpp" "src/*.hpp" "CInterface/*.cpp" "CInterface/*.hpp")
 add_library(Arbutils ${LIBTYPE} ${SRC_FILES})
+target_precompile_headers(Arbutils PUBLIC src/Precompiled.hxx)
 
 # If we are building for Windows we need to set some specific variables.
 if (WINDOWS)

src/Assert.hpp

@@ -1,7 +1,4 @@
 /** @file */
-#include <sstream>
-#include <stdexcept>
-#include <string.h>
 #include "Exception.hpp"
 
 #define __FILENAME__ (strrchr(__FILE__, '/') ? strrchr(__FILE__, '/') + 1 : __FILE__)

src/Collections/Dictionary.hpp

@@ -1,7 +1,5 @@
 #ifndef ARBUTILS_DICTIONARY_HPP
 #define ARBUTILS_DICTIONARY_HPP
-#include <cstdint>
-#include <unordered_map>
 #include "../Assert.hpp"
 
 namespace ArbUt {

src/Collections/List.hpp

@@ -1,9 +1,5 @@
 #ifndef ARBUTILS_LIST_HPP
 #define ARBUTILS_LIST_HPP
-#include <algorithm>
-#include <sstream>
-#include <stdexcept>
-#include <vector>
 #include "../Exception.hpp"
 
 namespace ArbUt {

src/Enum.hpp

@@ -1,9 +1,3 @@
-#include <algorithm>
-#include <cmath>
-#include <sstream>
-#include <stdexcept>
-#include <variant>
-#include <vector>
 #include "MacroUtils.hpp"
 #include "StringView.hpp"
 

src/Exception.hpp

@@ -1,10 +1,6 @@
 #ifndef ARBUTILS_EXCEPTION_HPP
 #define ARBUTILS_EXCEPTION_HPP
 
-#include <exception>
-#include <sstream>
-#include <string>
-#include <utility>
 #if !WINDOWS
 #if PRETTYTRACES
 #define BACKWARD_HAS_DW 1

src/Memory/BorrowedPtr.hpp

@@ -1,7 +1,6 @@
 #ifndef ARBUTILS_BORROWEDPTR_HPP
 #define ARBUTILS_BORROWEDPTR_HPP
 
-#include <memory>
 #include "../Assert.hpp"
 
 namespace ArbUt {

src/Memory/UniquePtrList.hpp

@@ -1,10 +1,6 @@
 #ifndef ARBUTILS_UNIQUEPTRLIST_HPP
 #define ARBUTILS_UNIQUEPTRLIST_HPP
 
-#include <algorithm>
-#include <sstream>
-#include <stdexcept>
-#include <vector>
 #include "BorrowedPtr.hpp"
 
 namespace ArbUt {

src/Precompiled.hxx

@@ -0,0 +1,21 @@
+#ifndef ARBUTILS_PRECOMPILED_HXX
+#define ARBUTILS_PRECOMPILED_HXX
+
+#include <algorithm>
+#include <cmath>
+#include <cstddef>
+#include <cstdint>
+#include <cstring>
+#include <exception>
+#include <memory>
+#include <sstream>
+#include <stdexcept>
+#include <string>
+#include <string_view>
+#include <unordered_map>
+#include <unordered_set>
+#include <utility>
+#include <variant>
+#include <vector>
+
+#endif // ARBUTILS_PRECOMPILED_HXX

src/String/BasicStringView.hpp

@@ -1,7 +1,6 @@
 #ifndef ARBUTILS_BASICSTRINGVIEW_HPP
 #define ARBUTILS_BASICSTRINGVIEW_HPP
-#include <iostream>
-#include <string>
+
 /// \defgroup Strings Strings
 /// \brief Group of non-editable strings with faster hashing.
 

src/String/StringView.cpp

@@ -1,5 +1,4 @@
 #include "StringView.hpp"
-#include <memory>
 
 namespace ArbUt {
     std::shared_ptr<__ConstStringCharHolder> StringView::__emptyString =

src/String/StringView.hpp

@@ -1,11 +1,6 @@
 #ifndef ARBUTILS_STRINGVIEW_HPP
 #define ARBUTILS_STRINGVIEW_HPP
 
-#include <cstddef>
-#include <cstdint>
-#include <cstring>
-#include <memory>
-#include <string_view>
 #include "BasicStringView.hpp"
 
 #if WINDOWS

src/String/StringViewLiteral.hpp

@@ -1,7 +1,6 @@
 #ifndef ARBUTILS_STRINGVIEWLITERAL_HPP
 #define ARBUTILS_STRINGVIEWLITERAL_HPP
 
-#include <cstdint>
 #include "BasicStringView.hpp"
 #include "StringView.hpp"