surajsau

sealed class Monad<out T> {
    
    object Nothing: Monad<kotlin.Nothing>()
    
    data class Something<out T>(val value: T): Monad<T>()
    
    inline fun<S> flatMap(f: (T) -> Monad<S>): Monad<S> = when(this) {
        is Nothing -> this
        is Something -> f(this.value) // we aren't wrapping f(value) again 
                                      // since it already returns a wrapped value

surajsau

typealias StringPair = Pair<String, String>
typealias IntPair = Pair<Int, Int>

//this is prone to exception if str isn't in the right format e.g., "1, 2, 3, 4, 5"
val split: (String) -> Pair<StringPair, StringPair> = { str ->
    val (a, b, c, d) = str.split(",")
    Pair(Pair(a, b), Pair(c, d))
}

val convertToInt: (pair: Pair<StringPair, StringPair>) -> Pair<IntPair, IntPair> = { pair ->

surajsau

// All return a type Monad

val split: (String) -> Monad<Pair<StringPair, StringPair>> = { str ->
    ..
    Monad.Something(Pair(..))
}

val convertToInt: (pair: Pair<StringPair, StringPair>) -> Monad<Pair<IntPair, IntPair>> = { pair ->
    ..
    Monad.Something(Pair(..))

surajsau

<!-- 1 -->
<div class="slider-item slider-item-0">
	<div ..>
		<div ..>
			<!-- 2 -->
			<div class="ptrack-content" 
			     data-ui-tracking-context="...">
				<a ..>
					<div ..>
						<img class="boxart-image boxart-image-in-padded-container" ..>

surajsau

/*
	ptrack-content div contains an attribute 'data-ui-tracking-context'
	which contains the information regarding video_id of the element.
	It's a url-encoded JSON string.
*/
function getVideoId(element) {
	let ptrack_content = $(element).find('.ptrack-content');
	if(ptrack_content && ptrack_content.length > 0) {
		let tracking_data = ptrack_content.attr('data-ui-tracking-context');
		let decoded_tracking_data = decodeURIComponent(tracking_data);

surajsau

function checkVisibleItem(element) {
  //1
	let base = $('.slider-item').add(element);

	base.filter((index, element) => {
    //2
		return $(element).attr('class').match(/slider-item-\d+/);
	}).each((index, element) => {
		//3
	});

surajsau

on generatePassword()
	set chars to {}
	set shuffledChars to {}
	
	-- (1)
	repeat with index from 1 to 15
		if index is less than 5 then
			set chars to chars & some item of lowercase
		else if index is less than 10 then
			set chars to chars & some item of uppercase

surajsau

on writePassword(title, passwordString)
	try
		-- (1)
		set textToBeWritten to "\n" & title & ":" & passwordString

		-- (2)
		set documentsPath to path to documents folder as text
		set passwordFile to documentsPath & "password.txt"
		set the logFile to ((path to documents folder) as text) & "password.txt"

surajsau

on readPassword()
	try
		-- (1)
		set logFile to (path to documents folder) as text
		set theFolder to POSIX path of logFile
		set passwordFile to theFolder & "password.txt"

		-- (2)
		open for access passwordFile

surajsau

/**
 * Set the title of this toolbar.
 *
 * <p>A title should be used as the anchor for a section of content. It should
 * describe or name the content being viewed.</p>
 *
 * @param title Title to set
 */
public void setTitle(CharSequence title) {
    if (!TextUtils.isEmpty(title)) {