14 lines
385 B
Text
14 lines
385 B
Text
{-|
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The `and` function returns `False` if there are any `False` elements in the
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`List` and returns `True` otherwise
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-}
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let and
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: List Bool → Bool
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= λ(xs : List Bool) →
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List/fold Bool xs Bool (λ(l : Bool) → λ(r : Bool) → l && r) True
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let example0 = assert : and [ True, False, True ] ≡ False
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let example1 = assert : and ([] : List Bool) ≡ True
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in and
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