library/local/Debug.hpp

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• Last update: 2025-11-24 18:49:07+09:00
• Include: #include "library/local/Debug.hpp"

Depends on

• build/pch/stdc++.hpp

Code

template <typename T>
std::ostream &operator<<(std::ostream &os, const std::set<T> &se) {
    if (se.size) {
        os << "{";
        for (const auto &p : se)
            os << p << ",}"[p == *se.rbegin()];
    } else
        os << "{}";
    return os;
}

template <typename T>
std::ostream &operator<<(std::ostream &os, const unordered_std::set<T> &se) {
    os << "{";
    for (const auto &p : se)
        os << p << ",";
    os << "}";
    return os;
}

template <typename T, typename U>
std::ostream &operator<<(std::ostream &os, const std::map<T, U> &mp) {
    for (const auto &[key, val] : mp)
        os << "[" << key << ":" << val << "]";
    return os;
}
template <typename T, typename U>
std::ostream &operator<<(std::ostream &os, const unordered_std::map<T, U> &mp) {
    for (const auto &[key, val] : mp)
        os << "[" << key << ":" << val << "]";
    return os;
}

template <typename T, typename U>
std::ostream &operator<<(std::ostream &os, const std::pair<T, U> &P) {
    os << "[" << P.first << "," << P.second << "]";
    return os;
}

#define debug(...) debug_internal(#__VA_ARGS__, __VA_ARGS__)

template <class T, class... Args>
void debug_internal(const char *s, T &&first, Args &&...args) {
    constexpr const char *open_brakets = sizeof...(args) == 0 ? "" : "(";
    constexpr const char *close_brakets = sizeof...(args) == 0 ? "" : ")";
    std::cerr << open_brakets << s << close_brakets << ": " << open_brakets
              << std::forward<T>(first);
    ((std::cerr << ", " << std::forward<Args>(args)), ...);
    std::cerr << close_brakets << std::endl;
}

#line 1 "library/local/Debug.hpp"
template <typename T>
std::ostream &operator<<(std::ostream &os, const std::set<T> &se) {
    if (se.size) {
        os << "{";
        for (const auto &p : se)
            os << p << ",}"[p == *se.rbegin()];
    } else
        os << "{}";
    return os;
}

template <typename T>
std::ostream &operator<<(std::ostream &os, const unordered_std::set<T> &se) {
    os << "{";
    for (const auto &p : se)
        os << p << ",";
    os << "}";
    return os;
}

template <typename T, typename U>
std::ostream &operator<<(std::ostream &os, const std::map<T, U> &mp) {
    for (const auto &[key, val] : mp)
        os << "[" << key << ":" << val << "]";
    return os;
}
template <typename T, typename U>
std::ostream &operator<<(std::ostream &os, const unordered_std::map<T, U> &mp) {
    for (const auto &[key, val] : mp)
        os << "[" << key << ":" << val << "]";
    return os;
}

template <typename T, typename U>
std::ostream &operator<<(std::ostream &os, const std::pair<T, U> &P) {
    os << "[" << P.first << "," << P.second << "]";
    return os;
}

#define debug(...) debug_internal(#__VA_ARGS__, __VA_ARGS__)

template <class T, class... Args>
void debug_internal(const char *s, T &&first, Args &&...args) {
    constexpr const char *open_brakets = sizeof...(args) == 0 ? "" : "(";
    constexpr const char *close_brakets = sizeof...(args) == 0 ? "" : ")";
    std::cerr << open_brakets << s << close_brakets << ": " << open_brakets
              << std::forward<T>(first);
    ((std::cerr << ", " << std::forward<Args>(args)), ...);
    std::cerr << close_brakets << std::endl;
}

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