5901fef43a
See message: https://leanprover.zulipchat.com/#narrow/stream/270676-lean4/topic/Namespace-based.20overloading.20does.20not.20find.20exports/near/287633118
9 lines
234 B
Text
9 lines
234 B
Text
protected def Nat.double (x : Nat) := 2*x
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namespace Ex
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export Nat (double) -- Add alias Ex.double for Nat.double
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end Ex
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open Ex
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#check Ex.double -- Ok
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#check double -- Error, `Ex.double` is alias for `Nat.double` which is protected
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