#[unsafe(no_mangle)]pub extern "C" fn nstd_vec_clone<'a>(
vec: &NSTDVec<'a>,
) -> NSTDOptionalVec<'a>Available on crate feature
vec only.#[unsafe(no_mangle)]pub extern "C" fn nstd_vec_clone<'a>(
vec: &NSTDVec<'a>,
) -> NSTDOptionalVec<'a>vec only.