tests/rustdoc-ui/intra-doc/reachable-non-exported.rs

// The structure is reachable, but not exported, so rustdoc
// doesn't attempt to request doc link resolutions on it.

//@ check-pass

mod private {
    /// [core::str::FromStr]
    pub struct ReachableButNotExported;
}

pub fn foo() -> private::ReachableButNotExported {
    private::ReachableButNotExported
}