Kotlin Native 1.0

Kotlin Native 1.0 was quietly released today.  No announcement, no blog post.  I thought v1.0 would be a bigger deal and would have some announcement.

Why Kotlin does not use new keyword when creating a new instance?

The answer is

1) Kotlin functions are first-class
2) A constructor is a function that can be assigned to a property of a function type, passed as an argument to a higher-order function or returned by a higher-order function.

class Foo
val foo : () -> Foo = ::Foo
val a : Foo = foo() // Creating a Foo through a property 
val b : Foo = Foo() // Creating a Foo directly by calling a 
                    // constructor
val c : Foo = new Foo() // <-- Incorrect syntax that clearly shows
                        // that "new" keyword has no place in 
                        // a language where functions 
                        // are first-class

How to get a list of file names from gradle runtime dependencies

If you need a list of file names from runtime (or other type of) dependencies, this is one way to do it:

def files = []
    configurations.runtime.files.forEach() { f ->
    files += f.name
}

The list can be helpful if you need to put it as a Class-Path attribute of JAR manifest file:

jar {
    manifest {
        def files = []
        configurations.runtime.files.forEach() { f ->
            files += f.name
        }
        attributes("Class-Path": files.join(' '))
    }
}