Add “array” function for turning a sequence into an array, used after the |> operator.

SwiftShell/Pipes.swift

@@ -77,3 +77,8 @@ public func join<C : ExtensibleCollectionType, S : SequenceType where S.Generato
 		
 	return join(separator, elements)
 }
+
+/** Turn a sequence into an array. For use after the |> operator. */
+public func array <S : SequenceType, T where S.Generator.Element == T>(sequence: S) -> [T] {
+	return Array(sequence)
+}

SwiftShellTests/Pipes_Tests.swift

@@ -29,4 +29,11 @@ class Pipes_Tests: XCTestCase {
 		XCTAssertEqual( result, 45 )
 	}
 	
+	func testTurnSequenceIntoArray () {
+		let numbers = [4,1,6]
+		
+		let result = SequenceOf(numbers) |> array
+		
+		XCTAssertEqual( result, [4,1,6] )
+	}
 }