Added example usage to README.md

README.md

@@ -1,7 +1,7 @@
 # uuid ![build status](https://travis-ci.org/google/uuid.svg?branch=master)
 The uuid package generates and inspects UUIDs based on
 [RFC 4122](http://tools.ietf.org/html/rfc4122)
-and DCE 1.1: Authentication and Security Services. 
+and DCE 1.1: Authentication and Security Services.
 
 This package is based on the github.com/pborman/uuid package (previously named
 code.google.com/p/go-uuid).  It differs from these earlier packages in that
@@ -11,9 +11,48 @@ change is the ability to represent an invalid UUID (vs a NIL UUID).
 ###### Install
 `go get github.com/google/uuid`
 
-###### Documentation 
+###### Example usage
+
+```
+package main
+
+import (
+  "fmt"
+
+  "github.com/google/uuid"
+)
+
+func main() {
+
+  // uuid in uuid.UUID form
+  uid := uuid.New()
+  fmt.Println(uid)
+
+  // uuid v4 in a string form
+  uidStr := uuid.NewString()
+  fmt.Println(uidStr)
+
+  // urn version urn:uuid:xxx...
+  urnUuidStr := uuid.New().URN()
+  fmt.Println(urnUuidStr)
+
+  // Parse uuid
+  parsedUuid, err := uuid.Parse("138e62c7-1f88-42cb-8185-8d9e07918e84")
+
+  if err != nil {
+    fmt.Println(err)
+  } else {
+    fmt.Println(parsedUuid)
+  }
+
+}
+
+```
+
+
+###### Documentation
 [![GoDoc](https://godoc.org/github.com/google/uuid?status.svg)](http://godoc.org/github.com/google/uuid)
 
 Full `go doc` style documentation for the package can be viewed online without
-installing this package by using the GoDoc site here: 
+installing this package by using the GoDoc site here:
 http://pkg.go.dev/github.com/google/uuid