24 lines
731 B
Plaintext
24 lines
731 B
Plaintext
;;;; A generic copy first made while an if's else arm is tried on its own,
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;;;; then kept when the arm is checked again: whatever the copy lifted — a
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;;;; lambda, a condition's message printer — has to be kept with it, or the
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;;;; program links against a function nobody emitted.
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(defstruct MyErr :parent Error [code i32 why str])
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(defn ap [x i32 f (Fn [i32] i32)] i32 (f x))
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(defn g [x $t] i32 (ap 21 (fn [y] (+ y y))))
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(defn h [x $t] i32
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(when (< 21 0) (error (MyErr {.code 3 .why "negative"})))
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21)
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(defn pick [c bool a i64 b i32] i64 (let [v (if c a (g b))] v))
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(defn pick2 [c bool a i64 b i32] i64 (let [v (if c a (h b))] v))
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(defn main [] i32
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(println (pick false 1 21))
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(println (pick2 false 1 21))
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0)
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