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wait for condition to be true
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| import Foundation | |
| func waitUntil(_ checkSuccess: @autoclosure ()->Bool) { | |
| return waitUntil(1.0, checkSuccess) | |
| } | |
| func waitUntil(_ timeout: Double, _ checkSuccess: @autoclosure ()->Bool) { | |
| let startDate = NSDate() | |
| var success = false | |
| while !success && abs(startDate.timeIntervalSinceNow) < timeout { | |
| RunLoop.current.run(until: Date(timeIntervalSinceNow: 0.01)) | |
| success = checkSuccess() | |
| } | |
| } |
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Add
@discardableResultif you want those missing assignment warnings to go away