CommaSeparatedIterator.h

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#pragma once
 
#include <istream>  // for std::istream
#include <string>   // For std::string
#include <utility>  // for std::pair
 

class CommaSeparatedIterator {
    public:
        using value_type = std::pair<std::string, std::string>;
 

        CommaSeparatedIterator(std::istream &stream);

        CommaSeparatedIterator &operator++();

        value_type operator*() const;

        explicit operator bool() const;
    private:
        std::istream &stream_;  
        std::string line_;      
        std::string first_;     
        std::string second_;    
};