Initial code for XML sample

Covers marshal/unmarshal of a simple un-nested type.

No .sh file yet

examples/xml/xml.go

@@ -0,0 +1,32 @@
+package main
+
+import (
+	"encoding/xml"
+	"fmt"
+)
+
+type Plant struct {
+	XMLName xml.Name `xml:"fruit"`
+	Id      int      `xml:"id,attr"`
+	Name    string   `xml:"name"`
+	Origin  []string `xml:"origin"`
+}
+
+func (p Plant) String() string {
+	return fmt.Sprintf("Fruit id=%v, name=%v, origin=%v",
+		p.Id, p.Name, p.Origin)
+}
+
+func main() {
+	coffee := &Plant{Id: 27, Name: "Coffee"}
+	coffee.Origin = []string{"Ethiopia", "Brazil"}
+
+	out, _ := xml.MarshalIndent(coffee, " ", "  ")
+	fmt.Println(string(out))
+
+	var p Plant
+	if err := xml.Unmarshal(out, &p); err != nil {
+		panic(err)
+	}
+	fmt.Println(p)
+}