Swift While (Real-Life Examples)

Swift While (Real-Life Examples)

Use loops to retry operations, poll statuses, or process queues carefully with exit conditions.

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While Loop from 3 to 1

Count down from 3 to 1.

Example

var remaining = 3
while remaining > 0 {
  print("Remaining: \(remaining)")
  remaining -= 1
}

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Poll Until Success

Repeat an action with a cap on attempts until a condition is met.

Example

var attempts = 0
var success = false
while !success && attempts < 5 {
  attempts += 1
  print("Checking... #\(attempts)")
  if attempts == 3 {
success = true
print("Success!")
  }
}