15 lines
379 B
Text
15 lines
379 B
Text
λ(nix : ../NixPrelude.dhall) →
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let max = ./max.dhall
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let Optional/map = ../Optional/map.dhall nix
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let listMax
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: List Integer → Optional Integer
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= λ(xs : List Integer) →
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Optional/map
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Integer
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Integer
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(λ(n : Integer) → List/fold Integer xs Integer max n)
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(List/head Integer xs)
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in listMax
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