array-item-count.swift

import Cocoa

// MARK: Goal- Find the number of times any item appears in array


var tayLyrics = "Nice to meet you, where you been? I could show you incredible things Magic, madness, heaven, sin Saw you there and I thought Oh my God, look at that face You look like my next mistake Love’s a game, want to play? New money, suit & tie"
var stringArray = tayLyrics.componentsSeparatedByString(" ")

var intArray = [1,4,5,2,6,6,6]



// This method simply means

func findItemCountForArray<T:Hashable>(arr:[T]) -> [T: Int] {
  
  // 1
  var countDict = [T: Int]()
  
  
  for key in arr {
    
    // 2
    if countDict[key] == nil {
      countDict[key] = 0
    }
    // 3
    countDict[key]! += 1
  }
  
  return countDict
}

findItemCountForArray(stringArray)
findItemCountForArray(intArray)