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#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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