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-rw-r--r--lambda-calcul/rust/sample/test_nat.txt9
1 files changed, 9 insertions, 0 deletions
diff --git a/lambda-calcul/rust/sample/test_nat.txt b/lambda-calcul/rust/sample/test_nat.txt
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+++ b/lambda-calcul/rust/sample/test_nat.txt
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+(def pair (lam (a b f) (f a b)))
+(def fst (lam p (p (lam (a b) a))))
+(def snd (lam p (p (lam (a b) b))))
+
+(def zero (lam (f s) s))
+(def succ (lam (n f s) (f (n f s))))
+
+(def is-zero (lam n
+ (n (lam x False) true)))