Make glob_fn_each2 header self-contained

Author: AsTonyshment

source/source_base/glob_fn_each2.h

@@ -4,6 +4,7 @@
 #ifndef GLOB_FN_EACH2_H
 #define GLOB_FN_EACH2_H
 
+#include <cstddef>
 #include <functional>
 #include <map>
 #include <vector>
@@ -12,45 +13,37 @@ namespace ModuleBase
 {
 namespace GlobalFunc
 {
-	
-template<typename Ti, typename... T_tail>
-void FUNC_EACH_2( 
-	Ti & tA, 
-	const Ti & tB, 
-	std::function< void( Ti&, const Ti&, T_tail... ) > func, 
-	const T_tail&... t_tail )
+
+template <typename Ti, typename... T_tail>
+void FUNC_EACH_2(Ti& tA, const Ti& tB, std::function<void(Ti&, const Ti&, T_tail...)> func, const T_tail&... t_tail)
 {
-	func( tA, tB, t_tail... );
+    func(tA, tB, t_tail...);
 }
 
-
-template<typename Tv, typename Ti, typename... T_tail>
-void FUNC_EACH_2( 
-	std::vector<Tv> & tA, 
-	const std::vector<Tv> & tB, 
-	std::function< void( Ti&, const Ti&, T_tail... ) > func,
-	const T_tail&... t_tail )
+template <typename Tv, typename Ti, typename... T_tail>
+void FUNC_EACH_2(std::vector<Tv>& tA,
+                 const std::vector<Tv>& tB,
+                 std::function<void(Ti&, const Ti&, T_tail...)> func,
+                 const T_tail&... t_tail)
 {
-	for( size_t i=0; i!=tA.size(); ++i )
-	{
-		FUNC_EACH_2( tA[i], tB[i], func, t_tail... );
-	}
+    for (std::size_t i = 0; i != tA.size(); ++i)
+    {
+        FUNC_EACH_2(tA[i], tB[i], func, t_tail...);
+    }
 }
 
-
-template<typename T1, typename T2, typename Ti, typename... T_tail>
-void FUNC_EACH_2( 
-	std::map<T1,T2> & tA, 
-	const std::map<T1,T2> & tB, 
-	std::function< void( Ti&, const Ti&, T_tail... ) > func,
-	const T_tail&... t_tail ) 
+template <typename T1, typename T2, typename Ti, typename... T_tail>
+void FUNC_EACH_2(std::map<T1, T2>& tA,
+                 const std::map<T1, T2>& tB,
+                 std::function<void(Ti&, const Ti&, T_tail...)> func,
+                 const T_tail&... t_tail)
 {
-	for( auto & ta : tA )
-	{
-		FUNC_EACH_2( ta.second, tB.at(ta.first), func, t_tail... );
-	}
+    for (auto& ta: tA)
+    {
+        FUNC_EACH_2(ta.second, tB.at(ta.first), func, t_tail...);
+    }
 }
 
-}
-}
+} // namespace GlobalFunc
+} // namespace ModuleBase
 #endif // GLOB_FN_EACH2_H