10 lines
197 B
Text
10 lines
197 B
Text
#lang lean4
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def ex1 (xs : List Nat) : Nat :=
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xs.foldl (b := 0) fun sum x => sum + x
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def f (a : Nat) (flag := true) : Nat :=
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a + if flag then 1 else 0
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def g (a : Nat) : Nat :=
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f a (flg := false)
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