QueryKit
diff --git a/‎QueryKit/Attribute.swift‎
Lines changed: 11 additions & 9 deletions b/‎QueryKit/Attribute.swift‎
Lines changed: 11 additions & 9 deletions
diff --git a/‎QueryKitTests/AttributeTests.swift‎
Lines changed: 9 additions & 9 deletions b/‎QueryKitTests/AttributeTests.swift‎
Lines changed: 9 additions & 9 deletions
@@ -88,15 +88,17 @@ public func ~= <T>(left: Attribute<T>, right: T) -> NSPredicate {
     return left.expression ~= left.expressionForValue(right)
 }
 
-//public func << <T>(left: Attribute<T>, right: [T]) -> NSPredicate {
-//    return left.expression << NSExpression(forConstantValue: right._asCocoaArray())
-//}
-//
-//public func << <T>(left: Attribute<T>, right: Range<T>) -> NSPredicate {
-//    let rightExpression = NSExpression(forConstantValue: [right.startIndex, right.endIndex]._asCocoaArray())
-//
-//    return NSComparisonPredicate(leftExpression: left.expression, rightExpression: rightExpression, modifier: NSComparisonPredicateModifier.DirectPredicateModifier, type: NSPredicateOperatorType.BetweenPredicateOperatorType, options: NSComparisonPredicateOptions(0))
-//}
+public func << <T>(left: Attribute<T>, right: [T]) -> NSPredicate {
+    let value = map(right) { value in return value as! NSObject }
+    return left.expression << NSExpression(forConstantValue: value)
+}
+
+public func << <T>(left: Attribute<T>, right: Range<T>) -> NSPredicate {
+    let value = [right.startIndex as! NSObject, right.endIndex as! NSObject] as NSArray
+    let rightExpression = NSExpression(forConstantValue: value)
+
+    return NSComparisonPredicate(leftExpression: left.expression, rightExpression: rightExpression, modifier: NSComparisonPredicateModifier.DirectPredicateModifier, type: NSPredicateOperatorType.BetweenPredicateOperatorType, options: NSComparisonPredicateOptions(0))
+}
 
 /// MARK: Bool Attributes
 
 
@@ -84,15 +84,15 @@ class AttributeTests: XCTestCase {
         XCTAssertEqual(predicate, NSPredicate(format: "age LIKE 10"))
     }
 
-//    func testInOperator() {
-//        var predicate:NSPredicate = (attribute << [5, 10])
-//        XCTAssertEqual(predicate, NSPredicate(format:"age IN %@", [5, 10]))
-//    }
-
-//    func testBetweenRangeOperator() {
-//        var predicate:NSPredicate = attribute << (5..<10)
-//        XCTAssertEqual(predicate, NSPredicate(format:"age BETWEEN %@", [5, 10])!)
-//    }
+    func testInOperator() {
+        var predicate:NSPredicate = (attribute << [5, 10])
+        XCTAssertEqual(predicate, NSPredicate(format: "age IN %@", [5, 10]))
+    }
+
+    func testBetweenRangeOperator() {
+        var predicate:NSPredicate = attribute << (5..<10)
+        XCTAssertEqual(predicate, NSPredicate(format: "age BETWEEN %@", [5, 10]))
+    }
 
     func testOptionalEqualityOperator() {
         let attribute = Attribute<String?>("name")