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fix: NameSet.insert return type

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Sebastian Ullrich 2020-09-22 14:05:47 +02:00 • committed by Leonardo de Moura
parent af8dc5eeab
commit b4ea61e79d
1 changed files with 1 additions and 1 deletions
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src/Lean/Data/Name.lean
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@ -167,7 +167,7 @@ namespace NameSet
def empty : NameSet := mkRBTree Name Name.quickLt
instance : HasEmptyc NameSet := ⟨empty⟩
instance : Inhabited NameSet := ⟨{}⟩
def insert (s : NameSet) (n : Name) := Std.RBTree.insert s n
def insert (s : NameSet) (n : Name) : NameSet := Std.RBTree.insert s n
def contains (s : NameSet) (n : Name) : Bool := Std.RBMap.contains s n
end NameSet