The visibility of field should be more permissive than its containing type #15875
Description
What it does
Discovered in servo/servo#39825
Advantage
Limit the unnecessarily public visibility.
Drawbacks
No response
Example
struct WebDriverPrefValue(pub PrefValue);
struct Foo(pub(crate) Bar)Could be written as:
struct WebDriverPrefValue(PrefValue);
struct Foo(Bar)Comparison with existing lints
No response
Additional Context
No response