Does get_view_by_sel only work under C++ 20?

[yuxiaojian01]

I run this code: auto above_150_view = ibm_df.get_view_by_sel<double, decltype(functor), double, long>("IBM_Close", functor);

under C++ 17, and the program stopped. When I run the above code under C++ 20, it worked. Does it mean get_view_by_sel only work under C++20 ?

[yuxiaojian01]

In addition, I changed C++ standard to C++20, it worked, but when I compiled the project, it has two "runtime_error", in: 1) HeteroPtrView.tcc line 95, getvector() function: ` if (iter == views.end()) throw std::runtime_error("HeteroPtrView::get_vector(): ERROR: " "Cannot find view");`

2) HeteroView.tcc line 72, getvector() function: `if (iter == views.end()) throw std::runtime_error("HeteroView::get_vector(): ERROR: " "Cannot find view");`

I added " #include " to the above two files, it worked. I am not sure whether these two files missed two "includes" or, it just because of my IDE? (I used VS 2019).

[hosseinmoein]

This is probably specific to the compiler and the version you are using. I cannot reproduce this on my side with gcc or clang Try using a different version of your compiler.

What does adding #include mean exactly? What #includes did you add

[yuxiaojian01]

I added #include <stdexcept> to the two files above. Sorry about missing <stdexcept>. The editor ignored <> when editing.

[hosseinmoein]

Not a bad idea to add it anyway. I will add it in a couple of days