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-rw-r--r--src/pkg/encoding/json/example_test.go32
-rw-r--r--src/pkg/encoding/json/indent.go5
2 files changed, 35 insertions, 2 deletions
diff --git a/src/pkg/encoding/json/example_test.go b/src/pkg/encoding/json/example_test.go
index ea0bc149c..ca4e5ae68 100644
--- a/src/pkg/encoding/json/example_test.go
+++ b/src/pkg/encoding/json/example_test.go
@@ -5,6 +5,7 @@
package json_test
import (
+ "bytes"
"encoding/json"
"fmt"
"io"
@@ -127,3 +128,34 @@ func ExampleRawMessage() {
// YCbCr &{255 0 -10}
// RGB &{98 218 255}
}
+
+func ExampleIndent() {
+ type Road struct {
+ Name string
+ Number int
+ }
+ roads := []Road{
+ {"Diamond Fork", 29},
+ {"Sheep Creek", 51},
+ }
+
+ b, err := json.Marshal(roads)
+ if err != nil {
+ log.Fatal(err)
+ }
+
+ var out bytes.Buffer
+ json.Indent(&out, b, "=", "\t")
+ out.WriteTo(os.Stdout)
+ // Output:
+ // [
+ // = {
+ // = "Name": "Diamond Fork",
+ // = "Number": 29
+ // = },
+ // = {
+ // = "Name": "Sheep Creek",
+ // = "Number": 51
+ // = }
+ // =]
+}
diff --git a/src/pkg/encoding/json/indent.go b/src/pkg/encoding/json/indent.go
index 11ef709cc..e1bacafd6 100644
--- a/src/pkg/encoding/json/indent.go
+++ b/src/pkg/encoding/json/indent.go
@@ -69,8 +69,9 @@ func newline(dst *bytes.Buffer, prefix, indent string, depth int) {
// Each element in a JSON object or array begins on a new,
// indented line beginning with prefix followed by one or more
// copies of indent according to the indentation nesting.
-// The data appended to dst has no trailing newline, to make it easier
-// to embed inside other formatted JSON data.
+// The data appended to dst does not begin with the prefix nor
+// any indentation, and has no trailing newline, to make it
+// easier to embed inside other formatted JSON data.
func Indent(dst *bytes.Buffer, src []byte, prefix, indent string) error {
origLen := dst.Len()
var scan scanner