15 lines
260 B
Plaintext
15 lines
260 B
Plaintext
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func ping(x:Int)->[Text]
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if x > 0
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return ["ping: {x}"] ++ pong(x-1)
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else
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return ["ping: {x}"]
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func pong(x:Int)->[Text]
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if x > 0
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return ["pong: {x}"] ++ ping(x-1)
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else
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return ["pong: {x}"]
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>> ping(3)
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= ["ping: 3", "pong: 2", "ping: 1", "pong: 0"]
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