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Friend declaration error on compiling. #6

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billbeno opened this issue Mar 19, 2021 · 0 comments
Open

Friend declaration error on compiling. #6

billbeno opened this issue Mar 19, 2021 · 0 comments

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@billbeno
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billbeno commented Mar 19, 2021 •
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I am coming at the following error. I am unable to get a fix for it. Kindly help. Thanks in advance.

`In file included from /home/beno/.local/src/ncorr_2D_cpp/build/../include/ncorr.h:12,

             from /home/beno/.local/src/ncorr_2D_cpp/src/ncorr.cpp:8:

/home/beno/.local/src/ncorr_2D_cpp/build/../include/Image2D.h:36:21: error: friend declaration of ‘void imshow(const ncorr::Image2D&, ncorr::Image2D::difference_type)’ specifies default arguments and isn’t a definition [-fpermissive]
36 | friend void imshow(const Image2D&, difference_type delay = -1);
| ^~~~~~

`
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