inline std::ostream& show(std::ostream& os, const std::tuple<T,R...>& v) {
show_each(v, os);
os << " : std::tuple<";
typedef const std::tuple<T,R...>& tuple_t;
TupleTypesPrinter<tuple_t,1+sizeof...(R)>::print(os,v);
os << ">";
return os;
}
std::ostream& show(std::ostream& os,
const pnw::histogram::ngram::tree<V,C,L>& a) {
show_each(os, a);
os << " : pnw::histogram::ngram::pnw::histogram::ngram::tree<"
<< "V=" << typenameof<V>() << ","
<< "C=" << typenameof<C>() << ","
<< "L=" << typenameof<L>() << ">";
return os;
}
/*! Print Each Element in STL Container \c C \p v to \p os. */
template<class C> inline
typename std::enable_if<is_container<C>::value,
std::ostream>::type&
show_each(const C& v,
std::ostream& os = std::cout,
const char* opening = "[",
const char* closing = "]",
const char* separator = " ") {
return show_each(begin(v), end(v), os, opening, closing, separator);
}
std::ostream& show_each(std::ostream& os,
const pnw::histogram::ngram::tree<V,C,L>& a) {
bool flag2d = false;
os << "{@" << static_cast<int>(a.level()) << ":";
if (flag2d) { os << std::endl; } else { os << " "; }
for (auto& e : a.map().get()) {
auto& val = e.first; // value
auto& cnt = e.second.first; // count
const auto& sub = e.second.second.get();
if (flag2d) { os_spaces(os, a.level()); }
show(os, val); os << SEPCH; show(os, cnt);
if (sub and not sub->empty()) {
os << "→";
show_each(os, *sub);
}
if (flag2d) { os << std::endl; } else { os << " "; }
}
os << "}";
if (flag2d) { os << std::endl; }
return os;
}
inline std::ostream& operator << (std::ostream& os,
const std::pair<T,U>& v) {
return show_each(v, os);
}
inline std::ostream& operator << (std::ostream& os, const std::bitset<N>& v) {
show_each(v, os, "[", "]");
os << " : std::bitset<" << N << ">";
return os;
}
