C++ multiple definition error -

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To start with the answer to sth for this question:

I was thinking that to solve many definition errors, if the following code is placed in the header file, then differently. CC files are included multiple times and linked together: 

  template & lt; Typename T & gt; Square c {stable constant int k; Stable Ostream & amp; Print (Ostream and OS, CONST T & T) {Returns OS & lt; & Lt; T;}}; // common case template & lt; Typename T & gt; Const int c & lt; T & gt; :: K = 1; // Specialization Template & lt; & Gt; Const int c & lt; Int & gt; :: K = 2; Move specialization into one of the .cc files

. Skip the template version in the header


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