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38 lines
848 B
Text
38 lines
848 B
Text
interface Set
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exposes
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[
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empty,
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single,
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walk,
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insert,
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len,
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remove,
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contains,
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toList,
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fromList,
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union,
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intersection,
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difference,
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]
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imports [ List, Bool.{ Bool }, Dict.{ values } ]
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empty : Set k
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single : k -> Set k
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insert : Set k, k -> Set k
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len : Set k -> Nat
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remove : Set k, k -> Set k
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contains : Set k, k -> Bool
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# toList = \set -> Dict.keys (toDict set)
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toList : Set k -> List k
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fromList : List k -> Set k
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union : Set k, Set k -> Set k
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intersection : Set k, Set k -> Set k
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difference : Set k, Set k -> Set k
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toDict : Set k -> Dict k {}
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walk : Set k, state, (state, k -> state) -> state
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walk = \set, state, step ->
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Dict.walk (Set.toDict set) state (\s, k, _ -> step s k)
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