daltonhuynh

Keybase proof

I hereby claim:

• I am daltonhuynh on github.
• I am dalton (https://keybase.io/dalton) on keybase.
• I have a public key whose fingerprint is C7A0 43F7 9873 29F2 7B2F D1C4 85D4 D513 907F AC33

To claim this, I am signing this object:

daltonhuynh

Verifying that +dalton is my Bitcoin username. You can send me #bitcoin here: https://onename.io/dalton

daltonhuynh

Keybase proof

I hereby claim:

• I am huydalton on github.
• I am dalton (https://keybase.io/dalton) on keybase.
• I have a public key whose fingerprint is C7A0 43F7 9873 29F2 7B2F D1C4 85D4 D513 907F AC33

To claim this, I am signing this object:

daltonhuynh

// simple map and fold left/right implementations 
// in scala using pattern matching for List[Int]

def map(list:List[Int], f:(Int) => Int):List[Int] = {
  list match {
    case Nil => Nil
    case head::tail => f(head)::map(tail, f)
  }
}

daltonhuynh

class String
  def palindrome?
    front = 0
    back = self.length - 1
  
    while front < back do
      return false if self[front] != self[back]
      
      front += 1
      back -= 1