blob: d2211666b507b6dc667ec8b8b3c255a1cd8f929f [file] [log] [blame]
// RUN: %swift-format %s >%t.response
// RUN: diff -u %s.response %t.response
// RUN: %swift-format -indent-width 2 %s >%t.response
// RUN: diff -u %s.indent2.response %t.response
// RUN: %swift-format -use-tabs %s >%t.response
// RUN: diff -u %s.tabs.response %t.response
// RUN: %swift-format -line-range 24:29 %s >%t.response
// RUN: diff -u %s.lines.response %t.response
// RUN: %swift-format -indent-switch-case %s >%t.response
// RUN: diff -u %s.indentswitch.response %t.response
import Foundation
func collatz(n: Int, m: String?) {
switch m {
case .some(let s):
print(s)
case .none:
print("nothing")
default:
print("not possible")
break
}
var r: Int
if n%2 == 0 {
r = n/2
} else {
r = 3*n+1
}
print("Number: \(r)")
if r == 1 {
print("Reached one!")
} else {
collatz(r)
}
}