gistfile1.txt

[  6%] Building CXX object CMakeFiles/test.header.range.v3.view.zip.hpp.dir/headers/range/v3/view/zip.cpp.o
In file included from /home/eric/workspace/build-range/headers/range/v3/view/zip.cpp:3:
In file included from /home/eric/workspace/range-v3/include/range/v3/view/zip.hpp:26:
/home/eric/workspace/range-v3/include/range/v3/view/zip_with.hpp:47:22: error: unused function template 'operator()' [-Werror,-Wunused-template]
                bool operator()(T const &t, U const &u) const
                     ^
/home/eric/workspace/range-v3/include/range/v3/view/zip_with.hpp:56:22: error: unused function template 'operator()' [-Werror,-Wunused-template]
                void operator()(T & t) const
                     ^
/home/eric/workspace/range-v3/include/range/v3/view/zip_with.hpp:65:22: error: unused function template 'operator()' [-Werror,-Wunused-template]
                void operator()(T & t) const
                     ^
/home/eric/workspace/range-v3/include/range/v3/view/zip_with.hpp:74:22: error: unused function template 'operator()' [-Werror,-Wunused-template]
                void operator()(I & i, difference_type_t<I> n) const
                     ^
/home/eric/workspace/range-v3/include/range/v3/view/zip_with.hpp:83:32: error: unused function template 'operator()' [-Werror,-Wunused-template]
                constexpr auto operator()(T const &t, T const &u) const ->
                               ^
/home/eric/workspace/range-v3/include/range/v3/view/zip_with.hpp:93:32: error: unused function template 'operator()' [-Werror,-Wunused-template]
                constexpr auto operator()(T const &t, U const &u) const ->
                               ^
/home/eric/workspace/range-v3/include/range/v3/view/zip_with.hpp:103:32: error: unused function template 'operator()' [-Werror,-Wunused-template]
                constexpr auto operator()(T const &t, U const &u) const ->
                               ^
7 errors generated.