12 lines
304 B
Text
12 lines
304 B
Text
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--| Add all the numbers in a `List`
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let sum
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: List Natural → Natural
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= λ(xs : List Natural) →
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List/fold Natural xs Natural (λ(l : Natural) → λ(r : Natural) → l + r) 0
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let example = assert : sum [ 2, 3, 5 ] ≡ 10
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let example = assert : sum ([] : List Natural) ≡ 0
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in sum
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