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PONot able to overload output stream in C++
 

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  1. PONot able to overload output stream in C++
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    <p>I am trying to overload the &lt;&lt; operator in my class <code>STEntry</code> but keep running into this error. My class is pasted bellow the error.</p> <pre><code>stentry.h: In function ‘std::ostream&amp; operator&lt;&lt;(std::ostream&amp;, const STEntry&amp;)’: stentry.h:48: error: no match for ‘operator&lt;&lt;’ in ‘std::operator&lt;&lt; [with _CharT = char, _Traits = std::char_traits&lt;char&gt;, _Alloc = std::allocator&lt;char&gt;](((std::basic_ostream&lt;char, std::char_traits&lt;char&gt; &gt;&amp;)((std::basic_ostream&lt;char, std::char_traits&lt;char&gt; &gt;*)out)), ((const std::basic_string&lt;char, std::char_traits&lt;char&gt;, std::allocator&lt;char&gt; &gt;&amp;)(&amp; temp-&gt;STEntry::lexeme))) &lt;&lt; ','’ stentry.h:46: note: candidates are: std::ostream&amp; operator&lt;&lt;(std::ostream&amp;, const STEntry&amp;) </code></pre> <p>My class in STEntry.h. It is pretty simple. Im trying to display some variable values.</p> <pre><code>#ifndef __STENTRY__ #define __STENTRY__ #include &lt;string&gt; using namespace std; class STEntry { public: string lexeme; // addr. of lexema associated with this entry int tokenval; // token value for this entry int offset; // location of variable in block STEntry(string name = "", int newval = 0, int newoffset = 0); // function: constructor ... initializes major fields // Relational operators: bool operator == (const STEntry &amp;) const; bool operator != (const STEntry &amp;) const; friend ostream &amp; operator &lt;&lt; (ostream &amp;, const STEntry &amp;); }; //--- BEGIN IMPLEMENTATION //constructor STEntry::STEntry(string name, int newval, int newoffset) { lexeme = name; tokenval = newval; offset = newoffset; } // .... //Output a single STEntry to standard output std::ostream&amp; operator &lt;&lt; (std::ostream&amp; out, const STEntry &amp; temp) { out &lt;&lt; temp.lexeme &lt;&lt; ',' &lt;&lt; temp.tokenval &lt;&lt; ',' &lt;&lt; temp.offset; return out; } //--- END OF IMPLEMENTATION #endif </code></pre>
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