I have this C++ code in prime.cpp:
#include <vector>
#include <ranges>
int main()
{
auto v = std::vector{1, 2, 3, 4};
v | std::views::drop(2);
std::views::all(v) | std::views::drop(2);
}
And I want to compile it on my macOS. I have tried it with g++ prime.cpp -std=c++20, but it shows this errors:
prime.cpp:7:14: error: no member named 'views' in namespace 'std'
v | std::views::drop(2);
~~~~~^
prime.cpp:8:10: error: no member named 'views' in namespace 'std'
std::views::all(v) | std::views::drop(2);
~~~~~^
prime.cpp:8:31: error: no member named 'views' in namespace 'std'
std::views::all(v) | std::views::drop(2);
~~~~~^
3 errors generated.
G++ version shows this:
$ g++ --version
Apple clang version 13.1.6 (clang-1316.0.21.2.5)
Target: arm64-apple-darwin21.5.0
Thread model: posix
InstalledDir: /Library/Developer/CommandLineTools/usr/bin