/// # Examples
///
/// ```
- /// #![feature(get_type_id)]
- ///
/// use std::any::{Any, TypeId};
///
- /// fn is_string(s: &Any) -> bool {
- /// TypeId::of::<String>() == s.get_type_id()
+ /// fn is_string<T: ?Sized + Any>(_s: &T) -> bool {
+ /// TypeId::of::<String>() == TypeId::of::<T>()
/// }
///
/// fn main() {