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ea2347843c
Don't suggest adding parentheses to call an inaccessible method. Previously, code of this form would emit E0615 (attempt to use a method as a field), thus emphasizing the existence of private methods that the programmer probably does not care about. Now it ignores their existence instead, producing error E0609 (no field). The motivating example is: ```rust let x = std::rc::Rc::new(()); x.inner; ``` which would previously mention the private method `Rc::inner()`, even though `Rc<T>` intentionally has no public methods so that it can be a transparent smart pointer for any `T`. ```rust error[E0615]: attempted to take value of method `inner` on type `Rc<()>` --> src/main.rs:3:3 | 3 | x.inner; | ^^^^^ method, not a field | help: use parentheses to call the method | 3 | x.inner(); | ++ ``` With this change, it emits E0609 and no suggestion.