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What is the exact linker error that you are getting?<br />
<br />
Chase707
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What is the exact linker error that you are getting?

Chase707

<div>
try creating an operator= function and a copy constructor for the My_Data class
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try creating an operator= function and a copy constructor for the My_Data class

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Is My_DataSet actually declared in a file in your project?<br />
<br />
Your example simply shows it as declared somewhere externally.<br />
<br />

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Is My_DataSet actually declared in a file in your project?

Your example simply shows it as declared somewhere externally.



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It was actually a compiler issue, this was the first legitimate answer. &nbsp;Thanks to all who made suggestions.
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It was actually a compiler issue, this was the first legitimate answer.  Thanks to all who made suggestions.

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<div class="content wysiwyg-content">
The following insert call produces a link error and I have no clue why. &nbsp;Any suggestions?<br />
<br />
extern set&lt;My_Data&gt; My_DataSet;<br />
<br />
...<br />
<br />
bool My_Data::AddRecord( char * trackingNumber, char * scanInfo )<br />
{<br />
&nbsp; &nbsp; &nbsp;My_DataSet.insert(My_Data(<wbr /> trackingNumber, scanInfo ));//the link error is here<br />
...<br />
&nbsp; &nbsp; &nbsp;return true;<br />
}
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</div>


The following insert call produces a link error and I have no clue why.  Any suggestions?

extern set<My_Data> My_DataSet;

...

bool My_Data::AddRecord( char * trackingNumber, char * scanInfo )
{
     My_DataSet.insert(My_Data( trackingNumber, scanInfo ));//the link error is here
...
     return true;
}

Inserting into a set

C++ is an intermediate-level general-purpose programming language, not to be confused with C or C#. It was developed as a set of extensions to the C programming language to improve type-safety and add support for automatic resource management, object-orientation, generic programming, and exception handling, among other features.