C++ Class Template Issue -

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इस सवाल का पहले से ही एक उत्तर है: < / P>

  • 13 उत्तर
  • 6 जवाब

मुझे अपने कार्यक्रम में एक त्रुटि मिलती है, जिसमें "अनसुलझी बाहरी प्रतीक" कहा जाता है, मैंने सब कुछ जानने की कोशिश की, लेकिन मुझे इसका समाधान नहीं हो सका। क्लास टेम्प्लेट का इस्तेमाल करने के बाद मुझे यह त्रुटि मिलनी शुरू हुई।

यहां फाइलहैंडलर वर्ग हैडर है: - 

  #include & lt; स्ट्रिंग & gt; # शामिल करें & lt; iostream & gt; #include "test.h" #include & lt; iomanip & gt; #include "Administrator.h" #ifndef FileHandler_h #define नामांकन फ़ाइल का उपयोग करके FileHandler_h; टेम्पलेट & lt; कक्षा T & gt; क्लास फ़ाइलहैंडलर {सार्वजनिक: स्ट्रिंग लेखनटोफाइल (टी लिखने वाला ऑब्जेक्ट); सार्वजनिक: FileHandler (); }; #endif

फ़ाइल हैंडलर कक्षा कार्यान्वयन 

  टेम्पलेट & lt; class T & gt; FileHandler & lt; T & gt; :: FileHandler () {} टेम्पलेट & lt; कक्षा T & gt; स्ट्रिंग फाईलहाण्डलर & lt; T & gt; :: writeToFile (टी लिखना वस्तु) {ofstream outputFile; outputFile.open ( "file.txt", ios :: बाहर | ios :: एप्लिकेशन); अधिक कोड .......... वापस "किया"; }

यहां कोड है जहां मैं फ़ाइलहैंडलर वर्ग में विधि कॉल करता हूँ 

  स्ट्रिंग व्यवस्थापक: registerNewMember (व्यवस्थापक नयाआधारी) {FileHandler & lt; प्रशासक & gt; f1; वापसी f1.writeToFile (newAdmin); }

नीचे दी गई त्रुटि का एक स्क्रीन शॉट है।

मैं यह त्रुटि कैसे ठीक कर सकता हूं?

एक फाइल में "फाइलहैंडलर क्लास हैडर" और "फाइल हैंडलर क्लास इम्प्लीमेंटेशन" गठबंधन करें


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