c++ - error C2064: term does not evaluate to a function taking 0 arguments -


everyone! maintain group of channel data in map container, individual channel data can accessed channle name. regards this, write simple function getirchanneldata (please see following code). when compliing, statement pusirchanneldata = cit->second(); throwed error, read 

error c2064: term not evaluate function taking 0 arguments

all function nothing search given channel name/id in map container, , assign data pointer temporal pointer if found. please show me what's wrong?

const array2d<unsigned short>* getirchanneldata(std::string schannelname) const {        const array2d<unsigned short>* pusirchanneldata = null;      (std::map<std::string, array2d<unsigned short>* >::const_iterator cit =    m_usirdatapool.begin(); cit != m_usirdatapool.end(); ++cit)      {            std::string skey = cit->first;           if (skey == schannelname)         {               pusirchanneldata = cit->second(); // error occurred on line            break;         }     }      return pusirchanneldata; }

the error message pretty clear... call function doesn't exist. map::iterator points std::pair, has 2 member objects, first , second. note these not functions. remove () line in question , error should go away.


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