[vtkusers] std::string from vtkStringArray seg faults

[Oliver Cairncross]

The following code causes a seg fault

string s = sourceArray->GetValue(0);
cout << s << endl;

this is also a seg fault

string * s = &sourceArray->GetValue(0);
cout << *s << endl;

but

vtkStdString * s = sourceArray->GetValue(0);
cout << *s << endl;

does not.

What am I miss understanding about getting strings out of a string array?

Cheers
Ollie
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