diff --git a/MsgPack/Encoder.swift b/MsgPack/Encoder.swift
index 29df41f..5c76007 100644
--- a/MsgPack/Encoder.swift
+++ b/MsgPack/Encoder.swift
@@ -8,7 +8,20 @@
 
 import Foundation
 
-class Encoder: Swift.Encoder {
+public class Encoder {
+	let serialiser = Serialiser()
+	
+	public init() {}
+	
+	public func encode<T : Encodable>(_ value: T) throws -> Data {
+		try value.encode(to: serialiser)
+		var data = Data()
+		serialiser.storage?.appendTo(data: &data)
+		return data
+	}
+}
+
+class Serialiser: Swift.Encoder {
 	var codingPath = [CodingKey]()
 	var userInfo = [CodingUserInfoKey : Any]()
 	
@@ -25,16 +38,9 @@ class Encoder: Swift.Encoder {
 	func singleValueContainer() -> SingleValueEncodingContainer {
 		return self
 	}
-	
-	public func dataFor<T : Encodable>(_ value: T) throws -> Data {
-		try value.encode(to: self)
-		var data = Data()
-		storage?.appendTo(data: &data)
-		return data
-	}
 }
 
-extension MsgPack.Encoder: SingleValueEncodingContainer {
+extension MsgPack.Serialiser: SingleValueEncodingContainer {
 	enum Error: Swift.Error {
 		case notImplemented
 	}
diff --git a/MsgPackTests/MsgPackTests.swift b/MsgPackTests/MsgPackTests.swift
index a1fbf16..0716113 100644
--- a/MsgPackTests/MsgPackTests.swift
+++ b/MsgPackTests/MsgPackTests.swift
@@ -10,23 +10,23 @@ import XCTest
 @testable import MsgPack
 
 class MsgPackTests: XCTestCase {
-
+	
 	var encoder: MsgPack.Encoder!
 	
-    override func setUp() {
-        super.setUp()
-
+	override func setUp() {
+		super.setUp()
+		
 		encoder = Encoder()
-    }
-
-//    override func tearDown() {
-//        // Put teardown code here. This method is called after the invocation of each test method in the class.
-//        super.tearDown()
-//    }
+	}
+	
+	//    override func tearDown() {
+	//        // Put teardown code here. This method is called after the invocation of each test method in the class.
+	//        super.tearDown()
+	//    }
 	
 	func testEncodeTrue() {
 		do {
-			let data = try encoder.dataFor(true)
+			let data = try encoder.encode(true)
 			XCTAssertEqual(data[0], 0xc3)
 			XCTAssertEqual(data.count, 1, "Encoded data should contain only one byte")
 		} catch {
@@ -36,7 +36,7 @@ class MsgPackTests: XCTestCase {
 	
 	func testEncodeFalse() {
 		do {
-			let data = try encoder.dataFor(false)
+			let data = try encoder.encode(false)
 			XCTAssertEqual(data.count, 1, "Encoded data should contain only one byte, but contains \(data.count)")
 			XCTAssertEqual(data[0], 0xc2)
 		} catch {
@@ -47,7 +47,7 @@ class MsgPackTests: XCTestCase {
 	func testEncodeUInt8() {
 		do {
 			let number: UInt8 = 5
-			let data = try encoder.dataFor(number)
+			let data = try encoder.encode(number)
 			XCTAssertEqual(data.count, 2, "Encoded data should contain exactly two bytes, but contains \(data.count)")
 			XCTAssertEqual(data[0], 0xCC)
 			XCTAssertEqual(data[1], number)
@@ -58,7 +58,7 @@ class MsgPackTests: XCTestCase {
 	
 	func testEncodeUInt16() {
 		do {
-			let data = try encoder.dataFor(UInt16(0x0506))
+			let data = try encoder.encode(UInt16(0x0506))
 			XCTAssertEqual(data.count, 3, "Encoded data should contain exactly three bytes, but contains \(data.count)")
 			XCTAssertEqual(data[0], 0xCD)
 			XCTAssertEqual(data[1], 0x05)
@@ -70,7 +70,7 @@ class MsgPackTests: XCTestCase {
 	
 	func testEncodeUInt32() {
 		do {
-			let data = try encoder.dataFor(UInt32(0x05060708))
+			let data = try encoder.encode(UInt32(0x05060708))
 			XCTAssertEqual(data.count, 5, "Encoded data should contain exactly five bytes, but contains \(data.count)")
 			XCTAssertEqual(data[0], 0xCE)
 			XCTAssertEqual(data[1], 0x05)
@@ -84,7 +84,7 @@ class MsgPackTests: XCTestCase {
 	
 	func testEncodeUInt64() {
 		do {
-			let data = try encoder.dataFor(UInt64(0x0506070809101112))
+			let data = try encoder.encode(UInt64(0x0506070809101112))
 			XCTAssertEqual(data.count, 9, "Encoded data should contain exactly nine bytes, but contains \(data.count)")
 			XCTAssertEqual(data[0], 0xCF)
 			XCTAssertEqual(data[1], 0x05)
@@ -103,9 +103,10 @@ class MsgPackTests: XCTestCase {
 	func testPerformanceOf1MilionUInt32Encodings() {
 		var d = Data()
 		self.measure {
-			for _ in 0 ... 1000000 {
+			for _ in 0 ..< 1000000 {
 				Format.uInt32(136315908).appendTo(data: &d)
 			}
 		}
 	}
 }
+
diff --git a/Playground.playground/Contents.swift b/Playground.playground/Contents.swift
new file mode 100644
index 0000000..cbd6840
--- /dev/null
+++ b/Playground.playground/Contents.swift
@@ -0,0 +1,9 @@
+//: Playground - noun: a place where people can play
+
+import MsgPack
+
+var number: UInt16 = 0x0906
+
+let data = try Encoder().encode(number)
+data[1]
+data[2]
diff --git a/Playground.playground/contents.xcplayground b/Playground.playground/contents.xcplayground
new file mode 100644
index 0000000..63b6dd8
--- /dev/null
+++ b/Playground.playground/contents.xcplayground
@@ -0,0 +1,4 @@
+<?xml version="1.0" encoding="UTF-8" standalone="yes"?>
+<playground version='5.0' target-platform='macos'>
+    <timeline fileName='timeline.xctimeline'/>
+</playground>
\ No newline at end of file
diff --git a/README.md b/README.md
new file mode 100644
index 0000000..f5b9b15
--- /dev/null
+++ b/README.md
@@ -0,0 +1,3 @@
+#  Usage
+
+Take a look at the [playground](Playground.playground/Contents.swift)
diff --git a/Workspace.xcworkspace/contents.xcworkspacedata b/Workspace.xcworkspace/contents.xcworkspacedata
new file mode 100644
index 0000000..95b0188
--- /dev/null
+++ b/Workspace.xcworkspace/contents.xcworkspacedata
@@ -0,0 +1,13 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<Workspace
+   version = "1.0">
+   <FileRef
+      location = "group:README.md">
+   </FileRef>
+   <FileRef
+      location = "group:Playground.playground">
+   </FileRef>
+   <FileRef
+      location = "container:MsgPack.xcodeproj">
+   </FileRef>
+</Workspace>