Palindrome Test

Palindrome.dart

void main() {
  var shouldSucceed = "ARARA";
  var shouldFail = "ARAR";

  print(isPalindrome(shouldSucceed));
  print(isPalindrome(shouldFail));
}

bool isPalindrome(String testString) {
  var start = 0;
  var end = testString.length - 1;

  while (start <= end) {
    if (testString[start] != testString[end]) {
      return false;
    }

    end--;
    start++;
  }

  return true;
}