Re: [boost] [gil::io] Dependent Name issue with VS2015 Update3

Subject: Re: [boost] [gil::io] Dependent Name issue with VS2015 Update3
From: Andrey Semashev (andrey.semashev_at_[hidden])
Date: 2017-07-01 19:51:52

On 07/01/17 22:05, Christian Henning via Boost wrote:
> Hi all,
> 
> using the new gil::io on gil's develop branch I get a compilation error
> with Visual Studio 2015 Update 3.
> 
> When trying to read a tiff image:
> 
> #include <string>
> 
> #include <boost\gil\gil_all.hpp>
> #include <boost\gil\extension\io\tiff_all.hpp>
> 
> using namespace std;
> using namespace boost::gil;
> 
> int main()
> {
> 
> rgba8_image_t img;
> read_image( string(), img, tiff_tag() );
> 
> return 0;
> }
> 
> I get an error:
> 
> error C2951: template declarations are only permitted at global, namespace,
> or class scope
> 
> 
> The problem seems to be with
> 
> https://github.com/boostorg/gil/blob/develop/include/boost/gil/extension/io/formats/tiff/device.hpp#L143
> 
> Can someone please tell me if my issue is a compiler issue or simply a
> syntax error.

Looks like a compiler bug to me. You can try replacing 
`get_property_f::operator()` with a regular named function. Same with 
`set_property`.