Swift while sikli

while yordamida shart rost bo‘lib turgan paytda kodni takrorlang.

Shartni sikl tanasidan keyin tekshirish uchun repeat { ... } while dan foydalaning.

while

while sikli har bir iteratsiyadan oldin shartni tekshiradi.

var n = 3
while n > 0 {
  print(n)
  n -= 1
}
print("Liftoff!")

Ushbu misol while sikli yordamida 3 dan boshlab teskari sanaydi.

repeat { } while

repeat avval tanani bajaradi, so‘ng shartni tekshiradi.

var attempts = 0
repeat {
  attempts += 1
  print("Attempt #\(attempts)")
} while attempts < 3

Ushbu misolda repeat (do-while uslubi) ko‘rsatilgan.