1#[allow(unused_assignments, unused_mut, unused_variables)]
2pub const STD: &str = {
3 let mut flag = "c++11";
4
5 #[cfg(feature = "c++14")]
6 (flag = "c++14");
7
8 #[cfg(feature = "c++17")]
9 (flag = "c++17");
10
11 #[cfg(feature = "c++20")]
12 (flag = "c++20");
13
14 flag
15};