1 trait Deserialize<'de> {}
3 trait DeserializeOwned: for<'de> Deserialize<'de> {}
4 impl<T> DeserializeOwned for T where T: for<'de> Deserialize<'de> {}
6 // Based on this impl, `&'static str` only implements Deserialize<'static>.
7 // It does not implement for<'de> Deserialize<'de>.
8 impl<'de: 'a, 'a> Deserialize<'de> for &'a str {}
11 // Then why does it implement DeserializeOwned? This compiles.
12 fn assert_deserialize_owned<T: DeserializeOwned>() {}
13 assert_deserialize_owned::<&'static str>();
14 //~^ ERROR not general enough
16 // It correctly does not implement for<'de> Deserialize<'de>.
17 //fn assert_hrtb<T: for<'de> Deserialize<'de>>() {}
18 //assert_hrtb::<&'static str>();