chore: add xxh3 to build.cmd

Author: zaucy

build.cmd

@@ -105,6 +105,20 @@ if %ERRORLEVEL% neq 0 (
     exit %ERRORLEVEL%
 )
 
+echo INFO: compiling xxh3 module...
+pushd %modules_dir%
+cl /nologo ^
+    /std:c++latest /W4 /MDd /EHsc ^
+    /reference "%modules_dir%\std.ifc" ^
+    /reference "%modules_dir%\std.compat.ifc" ^
+    /c /interface /TP "%root_dir%src\xxh3.cppm" > NUL
+popd
+
+if %ERRORLEVEL% neq 0 (
+    echo ERROR: failed to compile xxh3 module
+    exit %ERRORLEVEL%
+)
+
 if not exist %cppfront% (
     pushd .cache\repos\cppfront\source
     echo INFO: compiling cppfront...
@@ -125,6 +139,7 @@ cl /nologo "%root_dir%.cache/cpp2/source/src/main.cpp" ^
     /reference "%modules_dir%\std.ifc" "%modules_dir%\std.obj" ^
     /reference "%modules_dir%\std.compat.ifc" "%modules_dir%\std.compat.obj" ^
     /reference "%modules_dir%\dylib.ifc" "%modules_dir%\dylib.obj" ^
+    /reference "%modules_dir%\xxh3.ifc" "%modules_dir%\xxh3.obj" ^
     /reference "%modules_dir%\cpp2b.ifc" "%modules_dir%\cpp2b.obj" ^
     /std:c++latest /W4 /MDd /EHsc ^
     /DEBUG:FULL /Zi /FC ^

src/xxh3.cppm

@@ -39,15 +39,13 @@ Copyright (C) 2012-2020 Yann Collet
 /*
 Modified by Ezekiel Warren
 - removed consteval and _const suffix
+- using c++20 imports
 */
 
 module;
 
-#include <cstddef>
-#include <cstdint>
-#include <iterator>  // for std::data, std::size
-#include <type_traits>
-#include <utility>
+import std;
+import std.compat;
 
 export module xxh3;