ExampleDSLBuilders.kt

fun html(init: HTML.() -> Unit): HTML {
    val html = HTML()
    html.init()
    return html
}

fun HTML.head(init: Head.() -> Unit) : Head {
    val head = Head()
    head.init()
    children.add(head)
    return head
}

fun HTML.body(init: Body.() -> Unit) : Body {
    val body = Body()
    body.init()
    children.add(body)
    return body
}

fun [Parent Object].html(init: [Thing You're Building].() -> Unit): [Thing You're Building] {
    val thing = ["Thing You're Building"]()
    thing.init()
    return thing
}

fun [Parent Object].head(init: [Thing You're Building].() -> Unit) : [Thing You're Building] {
    val thing = [Thing You're Building]()
    thing.init()
    /* Do some stuff with the parent */
    return thing
}

fun [Parent Object].body(init: [Thing You're Building].() -> Unit) : [Thing You're Building] {
    val thing = [Thing You're Building]()
    thing.init()
    /* Do some stuff with the parent */
    return thing
}
                         
fun html(████: HTML.██ ██ ████): HTML {
    val ████ = HTML()
    ████.████()
    return ████
}

fun ████.head(████: Head.██ ██ ████) : Head {
    val ████ = Head()
    ████.████()
    children.add(████)
    return ████
}

fun ████.body(████: Body.██ ██ ████) : Body {
    val ████ = Body()
    ████.████()
    children.add(████)
    return ████
}