MenuConfiguration.kt

@DslMarker annotation class MenuConfigurationPart

@Suppress("unused")
fun menuConfig(builder: MenuConfiguration.() -> Unit) = MenuConfiguration(builder)

@MenuConfigurationPart
class MenuConfiguration(
        inline val builder: MenuConfiguration.() -> Unit
)
{
    lateinit var header: MenuHeader

    lateinit var content: MenuContent

    init
    {
        builder()
    }

    inline fun header(builder: MenuHeader.() -> Unit)
    {
        this.header = MenuHeader().apply(builder)
    }

    inline fun content(builder: MenuContent.() -> Unit)
    {
        this.content = MenuContent().apply(builder)
    }

    override fun equals(other: Any?): Boolean = TODO()

    override fun hashCode(): Int = TODO()
}