From 700cde2d499742160deb361f42b7e861ae1db8ed Mon Sep 17 00:00:00 2001
From: Claudius 'keldu' Holeksa <mail@keldu.de>
Date: Mon, 29 Jul 2024 14:18:30 +0200
Subject: Renaming to new standard

---
 c++/unit_print.hpp | 55 ++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 55 insertions(+)
 create mode 100644 c++/unit_print.hpp

(limited to 'c++/unit_print.hpp')

diff --git a/c++/unit_print.hpp b/c++/unit_print.hpp
new file mode 100644
index 0000000..4d9187b
--- /dev/null
+++ b/c++/unit_print.hpp
@@ -0,0 +1,55 @@
+#include "./unit.h"
+
+#include <iostream>
+
+
+namespace std {
+template<typename UnitT, int64_t UnitE>
+inline ostream& operator<<(ostream& o, const kel::unit_base<UnitT,UnitE>& ele){
+	o<<UnitT::short_name;
+	if constexpr ( UnitE != 1 ){
+		o<<'^'<<'('<<UnitE<<')';
+	}
+	return o;
+}
+}
+
+namespace kel {
+template<typename... T>
+struct unit_print_impl {
+	static_assert(is_always_false<T...>, "Template type not supported");
+};
+
+template<typename UnitT, int64_t UnitE, typename... UnitTL, int64_t... UnitEL>
+struct unit_print_impl<unit_base<UnitT,UnitE>,unit_base<UnitTL,UnitEL>...> {
+	static std::ostream& print(std::ostream& o){
+		
+		unit_base<UnitT,UnitE> element;
+
+		std::ostream& o_ret = o << element;
+
+		if constexpr (sizeof...(UnitTL) > 0){
+			std::ostream& o_ret_next = o_ret << ' ' << '*' << ' ';
+			return unit_print_impl<unit_base<UnitTL,UnitEL>...>::print(o_ret_next);
+		}
+
+		return o_ret<<']';
+	}
+};
+}
+
+namespace std {
+
+template<typename StorageT, typename... T>
+inline ostream& operator<<(ostream& o, const kel::unit<StorageT,T...>& unit);
+
+template<typename StorageT, typename... UnitT, int64_t... UnitE>
+inline ostream& operator<<(ostream& o, const kel::unit<StorageT,kel::unit_base<UnitT,UnitE>...>& unit){
+	o << unit.data();
+	if constexpr (sizeof...(UnitT) > 0) {
+		auto& o_ret = o << ' '<<'[';
+		return kel::unit_print_impl<kel::unit_base<UnitT,UnitE>...>::print(o_ret);
+	}
+	return o;
+}
+}
-- 
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