[ fix agda#2153 ] Properly re-export specialised combinators

Author: gallais

src/Data/List/Membership/Setoid.agda

@@ -13,7 +13,7 @@ module Data.List.Membership.Setoid {c ℓ} (S : Setoid c ℓ) where
 
 open import Function.Base using (_∘_; id; flip)
 open import Data.List.Base as List using (List; []; _∷_; length; lookup)
-open import Data.List.Relation.Unary.Any
+open import Data.List.Relation.Unary.Any as Any
   using (Any; index; map; here; there)
 open import Data.Product.Base as Prod using (∃; _×_; _,_)
 open import Relation.Unary using (Pred)
@@ -35,7 +35,8 @@ x ∉ xs = ¬ x ∈ xs
 ------------------------------------------------------------------------
 -- Operations
 
-open Data.List.Relation.Unary.Any using (_∷=_; _─_) public
+_∷=_ = Any._∷=_ {A = A}
+_─_ = Any._─_ {A = A}
 
 mapWith∈ : ∀ {b} {B : Set b}
            (xs : List A) → (∀ {x} → x ∈ xs → B) → List B