18 lines
398 B
Plaintext
18 lines
398 B
Plaintext
;; x! over nothing traps at its own site and names the expression: 1 is a
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;; typed Option that is None, 2 a dyn that is nil.
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struct Cfg
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port: i32?
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fn nothing(x) = x
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fn main(args: [str]) -> i32
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let k = if length(args) > 1 then bytes->i64(bytes-view(args[1])) else 0
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println("before")
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let cfg = Cfg{.port None}
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if k == 1
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println(cfg.port!)
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if k == 2
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println(nothing(nil)!)
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0
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