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Brad King authored
This will allow std::string to be used with vtkSet/Get macros. See discussion thread VTK coding conventions clarification http://www.vtk.org/pipermail/vtk-developers/2014-March/014867.html It is not possible to portably forward-declare std::string or the std::basic_string<> template, but we do not want to include <string>. Instead, use a template that happens to match std::basic_string<>. Add a new "TestOStreamWrapper" test case to cover use of the vtkOStreamWrapper with std::string in a translation unit that acts like wrapper-generated sources (define VTK_STREAMS_FWD_ONLY) where no <iostream> is included. Suggested-by: David C. Lonie <david.lonie@kitware.com> Change-Id: I56b184ea8f6c5341fd44b2de1a2adc59b1b32e5e
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