added Encode and Decode examples

msgp/example_test.go

@@ -0,0 +1,36 @@
+package msgp_test
+
+import (
+	"fmt"
+	"os"
+
+	"github.com/dchenk/msgp/msgp"
+)
+
+func ExampleEncode() {
+	// Write out a message to a file:
+	file, err := os.Create("my-message")
+	if err != nil {
+		panic(err)
+	}
+	var theMessage msgp.Number
+	theMessage.AsInt(457)
+	err = msgp.Encode(file, &theMessage)
+	if err != nil {
+		panic(err)
+	}
+}
+
+func ExampleDecode() {
+	// Read the message in a file:
+	file, err := os.Open("my-message")
+	if err != nil {
+		panic(err)
+	}
+	var theMessage msgp.Number
+	err = msgp.Decode(file, &theMessage)
+	if err != nil {
+		panic(err)
+	}
+	fmt.Print(theMessage.Int())
+}