scope-ov.kt

// return receiver T
fun  T.also(block: (T) -> Unit): T //T exposed as it
fun  T.apply(block: T.() -> Unit): T //T exposed as this

// return arbitrary value R
fun <T, R> T.let(block: (T) -> R): R //T exposed as it
fun <T, R> T.run(block: T.() -> R): R //T exposed as this

// return arbitrary value R, not an extension function 
fun <T, R> with(receiver: T, block: T.() -> R): R //T exposed as this