Compare elements in one array in Swift 5.

Compare elements in one array.swift

//
//  Compare elements in one array
//
  
//  Check if all elements in array are the same

let input = "aaaa"

let areSame = input.allSatisfy { $0 == input.last }

if areSame == false {
    print("gooood")
} else {
    print("bad input")
}

// Check the first and the last element

let input2 = " aaaa "

if input2.hasPrefix(" ") || input2.hasSuffix(" ") {
    print("bad input")
} else {
    print("gooood")
}