Documentation

Batteries.Lean.HashSet

@[specialize #[]]
def Std.HashSet.anyM {α : Type u_1} [BEq α] [Hashable α] {m : TypeType} [Monad m] (s : Std.HashSet α) (f : αm Bool) :

O(n). Returns true if f returns true for any element of the set.

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  • One or more equations did not get rendered due to their size.
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    @[specialize #[]]
    def Std.HashSet.allM {α : Type u_1} [BEq α] [Hashable α] {m : TypeType} [Monad m] (s : Std.HashSet α) (f : αm Bool) :

    O(n). Returns true if f returns true for all elements of the set.

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    • One or more equations did not get rendered due to their size.
    Instances For
      instance Std.HashSet.instBEq_batteries {α : Type u_1} [BEq α] [Hashable α] :
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      @[inline, deprecated Std.HashSet.containsThenInsert (since := "2024-09-17")]
      def Std.HashSet.insert' {α : Type u_1} [BEq α] [Hashable α] (s : Std.HashSet α) (a : α) :

      O(1) amortized. Similar to insert, but also returns a Boolean flag indicating whether an existing entry has been replaced with a => b.

      Equations
      • s.insert' a = (s.insert a, (s.insert a).size == s.size)
      Instances For