#[cfg(not(any(feature = "std", feature = "alloc")))]
compile_error!("expected either `std` or `alloc` to be enabled");
#[cfg(feature = "std")]
use std::ffi::CString;
#[cfg(all(not(feature = "std"), feature = "alloc"))]
use alloc::ffi::CString;
use crate::impl_identity;
impl_identity!(CString);