array-loops.js

// @ts-check

/**
 * Determine how many cards of a certain type there are in the deck
 *
 * @param {number[]} stack
 * @param {number} card
 *
 * @returns {number} number of cards of a single type there are in the deck
 */
export function cardTypeCheck(stack, card) {
  throw new Error('Implement the cardTypeCheck function');
}

/**
 * Determine if there are any unique cards in the stack
 *
 * @param {number[]} stack
 * @param {number} card
 *
 * @returns {number} the number of unique cards there any in the stack
 */
export function determineUniqueCards(stack, card) {
  throw new Error('Implement the determineUniqueCards function');
}

/**
 * Determine if each card is even
 *
 * @param {number[]} stack
 * @param {boolean} type the type of value to check for–odd or even
 * @returns {number} number of cards that are either odd or even (depending on `type`)
 */
export function determineOddEvenCards(stack, type) {
  throw new Error('Implement the determineOddEvenCards function');
}