Inspecting STL containers in Visual Studio debugging

Question

If I have a std::vector or std::map variable, and I want to see the contents, it\'s a big pain to see the nth element while debugging. Is there a p

Answer 1

Most simply method is you have to ready a pointer to watch variable like this.

vector a = { 0,1,2,3,4,5 };
int* ptr = &a[0]; // watch this ptr in VisualStudio Watch window like this "ptr,6".

I tried "a._Myfirst[0]" in VisualStudio2015, But It wasn't display array data.

If you can use "natvis", it will resolve your problems.

This is "sample.natvis" for display std::vector data for Visual studio 2015.

 

  
    {{ size={_Mypair._Myval2._Mylast - _Mypair._Myval2._Myfirst} }}
    
      _Mypair._Myval2._Mylast - _Mypair._Myval2._Myfirst
      _Mypair._Myval2._Myend - _Mypair._Myval2._Myfirst
      
        _Mypair._Myval2._Mylast - _Mypair._Myval2._Myfirst
        _Mypair._Myval2._Myfirst
      
    
  

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