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headFirst/interfaces/gadget/tape.go

@@ -0,0 +1,27 @@
+package gadget
+
+import "fmt"
+
+type TapePlayer struct {
+	batteries string
+}
+
+func (t TapePlayer) Play(song string) {
+	fmt.Println("Playing", song)
+}
+
+func (t TapePlayer) Stop() {
+	fmt.Println("Stopped")
+}
+
+type TapeRecorder struct {
+	Microphones int
+}
+
+func (t TapeRecorder) Play(song string) {
+	fmt.Println("Playing", song)
+}
+
+func (t TapeRecorder) Stop() {
+	fmt.Println("Stopped")
+}