Let's start with checking if we deal with Kotlin class and whether this class is internal. We can create a rule that finds all internal Kotlin classes in our application and check if they're accessing other packages. ArchUnit checks the architecture of code during unit tests and can be easily extended using custom rules. It turns out we can use the ArchUnit library to achieve that goal. So maybe we can make an internal modifier more strict? Using an internal modifier and creating a separate module is cumbersome compared to using package scope back in Java. This makes an internal modifier much broader than its Java counterpart.
On the other hand, Kotlin's internal modifier makes class visible within the same source set of files compiled together. For those that do not know, internal modifier restricts the visibility of an element to a particular module: internal class Foo. Solved-Does internal visibility modifier in Kotlin work yet-kotlin internal is checked in the compiler (not only IDE) protected and internal members are. In Java, class marked with package-private access level is visible only within the same package. However, it has some weak spots Īnother of its pain points is that Kotlin lacks real package-private scope and internal visibility modifier in Kotlin is weaker than the package-private access level in Java. If Java had Kotlin’s visibility modifiers, we should expect closer to 24 public methods and 35 public classes. Kotlin is an awesome language that enables developers to write more concise and safer code. But the internal packages should not be public at all About half of the methods and classes which are public in okhttp are public only because Java requires them to be.
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