Extension function expression for Closeable.use in Kotlin

CloseableExtensions.kt

/**
 *      Built-in "use" function:
 *          resources.openRawResource(resId).use { inputStream ->
 *              inputStream.doSomething1()
 *              inputStream.doSomething2()
 *          }
 *          
 *      New "use" function:
 *          resources.openRawResource(resId).use {
 *              this.doSomething1()
 *              doSomething2()
 *          }
 *
 *  See this video for more information: https://youtu.be/A2LukgT2mKc?t=23m43s
 */

inline fun <T: Closeable, R> T.use(block: T.() -> R): R {
    use { closable ->
        return closable.block()
    }
}