Question

How to use readLine() inside a while loop in Swift

Answer 1

import Foundation

print("Enter numbers, 42 to exit:")

while let line = readLine() {
	let n = Int(line)
	if n == 42 {
		break
	}
	print(n!)
}  



/*
run:

Enter numbers, 42 to exit:
5
5
8
8
0
0
34745
34745
42

*/

 

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