rust/tests/ui/too_long_first_doc_paragraph-fix.rs

#![warn(clippy::too_long_first_doc_paragraph)]

/// A very short summary.
/// A much longer explanation that goes into a lot more detail about
/// how the thing works, possibly with doclinks and so one,
/// and probably spanning a many rows. Blablabla, it needs to be over
/// 200 characters so I needed to write something longeeeeeeer.
pub struct Foo;