diff --git a/SwiftShell/Stream.swift b/SwiftShell/Stream.swift
index 7dcadfa..70090e9 100644
--- a/SwiftShell/Stream.swift
+++ b/SwiftShell/Stream.swift
@@ -91,6 +91,16 @@ public func stream <Seq:SequenceType where Seq.Generator.Element == String>(sequ
 	}
 }
 
+/** 
+Returns a writable stream and a readable stream. What you write to the 1st one can be read from the 2nd one.
+Make sure to call closeStream() on the writable stream before you call read() on the readable one.
+*/
+public func streams () -> (WriteableStreamType, ReadableStreamType) {
+	let pipe = NSPipe()
+	return (pipe.fileHandleForWriting, pipe.fileHandleForReading)
+}
+
+
 /** Splits a stream into parts separated by "delimiter". */
 struct StringStreamGenerator : GeneratorType {
 	private let stream: ReadableStreamType
diff --git a/SwiftShellTests/Stream_Tests.swift b/SwiftShellTests/Stream_Tests.swift
index ed43a4d..4a98fc8 100644
--- a/SwiftShellTests/Stream_Tests.swift
+++ b/SwiftShellTests/Stream_Tests.swift
@@ -35,17 +35,12 @@ class Stream_Tests: XCTestCase {
 		XCTAssertEqual( stream(["item 1","item 2"]).read(), "item 1item 2")
 	}
 	
-	func streams () -> (WriteableStreamType, ReadableStreamType) {
-		let pipe = NSPipe()
-		return (pipe.fileHandleForWriting, pipe.fileHandleForReading)
-	}
-	
 	func testPrintStreamToStream () {
 		var (writable, readable) = streams()
 		
 		stream("this goes in") |> writable
 		
-		XCTAssertEqual(readable.readSome()!, "this goes in")
+		XCTAssertEqual( readable.readSome()!, "this goes in")
 	}
 
 	func testPrintStringToStream () {
@@ -53,7 +48,7 @@ class Stream_Tests: XCTestCase {
 		
 		"this goes in" |> writable
 		
-		XCTAssertEqual(readable.readSome()!, "this goes in")
+		XCTAssertEqual( readable.readSome()!, "this goes in")
 	}
 
 	func testCommandChainToStream () {
@@ -61,7 +56,7 @@ class Stream_Tests: XCTestCase {
 		
 		SwiftShell.run("echo this is streamed") |> SwiftShell.run("wc -w") |> writable
 		
-		XCTAssertEqual(readable.readSome()!.trim(), "3")
+		XCTAssertEqual( readable.readSome()!.trim(), "3")
 	}