or ``` fun Foo.ext() = FooExt(this) class FooExt...

# announcements

[uhe]

or

fun Foo.ext() = FooExt(this)

class FooExt(private val zeFoo: Foo) : Foo by zeFoo {
    fun Int.baz() { toString().bar() }
}

fun test(foo: Foo) {
    with(foo.ext()) {
        5.baz()
    }
}