deque-implementation-cpp/printer.h at master · Smoren/deque-implementation-cpp · GitHub

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#pragma once

#include <iostream>
#include <sstream>
#include <vector>
#include <tuple>
#include <utility>
#include <set>
#include <map>
#include <deque>
#include <list>

namespace Smoren::Tools {
    template <typename Collection>
    std::string join(const Collection& collection, const std::string& delimiter);

    template <typename First, typename Second>
    std::ostream& operator <<(std::ostream& stream, const std::pair<First, Second>& p);

    template <typename Key, typename Value>
    std::ostream& operator <<(std::ostream& stream, const std::map<Key, Value>& m);

    template <typename Value>
    std::ostream& operator <<(std::ostream& stream, const std::vector<Value>& m);

    template <typename Value>
    std::ostream& operator <<(std::ostream& stream, const std::set<Value>& m);

    template <typename Value>
    std::ostream& operator <<(std::ostream& stream, const std::deque<Value>& m);

    template <typename Value>
    std::ostream& operator <<(std::ostream& stream, const std::list<Value>& m);

    template <typename Collection>
    std::string join(const Collection& collection, const std::string& delimiter) {
        bool isFirst = true;
        std::stringstream ss;
        for(auto& item : collection) {
            if(!isFirst) {
                ss << delimiter;
            } else {
                isFirst = false;
            }
            ss << item;
        }
        return ss.str();
    }

    template <typename First, typename Second>
    std::ostream& operator <<(std::ostream& stream, const std::pair<First, Second>& p) {
        return stream << p.first << ": " << p.second;
    }

    template <typename Key, typename Value>
    std::ostream& operator <<(std::ostream& stream, const std::map<Key, Value>& m) {
        return stream << "{" << join(m, ", ") << "}";
    }

    template <typename Value>
    std::ostream& operator <<(std::ostream& stream, const std::vector<Value>& m) {
        return stream << "[" << join(m, ", ") << "]";
    }

    template <typename Value>
    std::ostream& operator <<(std::ostream& stream, const std::set<Value>& m) {
        return stream << "(" << join(m, ", ") << ")";
    }

    template <typename Value>
    std::ostream& operator <<(std::ostream& stream, const std::deque<Value>& m) {
        return stream << "[" << join(m, ", ") << "]";
    }

    template <typename Value>
    std::ostream& operator <<(std::ostream& stream, const std::list<Value>& m) {
        return stream << "[" << join(m, ", ") << "]";
    }
}