From 8b59dc292b8eb58a5b999dab21902618a3b8c04f Mon Sep 17 00:00:00 2001
From: Eric Myhre <hash@exultant.us>
Date: Tue, 28 Apr 2020 18:28:20 +0200
Subject: [PATCH] Add two basic examples of usage, as go tests.

---
 examples_test.go | 47 +++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 47 insertions(+)
 create mode 100644 examples_test.go

diff --git a/examples_test.go b/examples_test.go
new file mode 100644
index 0000000..b5d9472
--- /dev/null
+++ b/examples_test.go
@@ -0,0 +1,47 @@
+package ipld_test
+
+import (
+	"bytes"
+	"fmt"
+	"os"
+
+	"github.com/ipld/go-ipld-prime/codec/dagjson"
+	"github.com/ipld/go-ipld-prime/node/basic"
+)
+
+func ExampleCreateDataAndMarshal() {
+
+	ns := basicnode.Style.Any // Pick a style for the in-memory data.
+	nb := ns.NewBuilder()     // Create a builder.
+	ma, _ := nb.BeginMap(2)   // Begin assembling a map.
+	ma.AssembleKey().AssignString("hey")
+	ma.AssembleValue().AssignString("it works!")
+	ma.AssembleKey().AssignString("yes")
+	ma.AssembleValue().AssignBool(true)
+	ma.Finish()     // Call 'Finish' on the map assembly to let it know no more data is coming.
+	n := nb.Build() // Call 'Build' to get the resulting Node.  (It's immutable!)
+
+	dagjson.Encoder(n, os.Stdout)
+
+	// Output:
+	// {
+	//	"hey": "it works!",
+	//	"yes": true
+	// }
+}
+
+func ExampleUnmarshalData() {
+	serial := bytes.NewBufferString(`{"hey":"it works!","yes": true}`)
+
+	ns := basicnode.Style.Any   // Pick a stle for the in-memory data.
+	nb := ns.NewBuilder()       // Create a builder.
+	dagjson.Decoder(nb, serial) // Hand the builder to decoding -- decoding will fill it in!
+	n := nb.Build()             // Call 'Build' to get the resulting Node.  (It's immutable!)
+
+	fmt.Printf("the data decoded was a %s kind\n", n.ReprKind())
+	fmt.Printf("the length of the node is %d\n", n.Length())
+
+	// Output:
+	// the data decoded was a Map kind
+	// the length of the node is 2
+}
-- 
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