[go-nuts] How to marshal an empty json object without omitting it?

On Mon, Feb 16, 2015 at 11:26 PM, wrote:

Hello,

How do I marshal a struct field as an empty json object? For example,

type Person struct {
Name string `json:"name"`
Meta map[string]interface{} `json:"meta"`
}


When I marshal this struct to JSON, I would like to keep the "meta" field
as empty json object, like "{}", if it is an empty map, instead of null or
being omitted (using omitempty).

{
"name" : "tester",
"meta": {}
}


Here is the quick sample in playground:
http://play.golang.org/p/VRtnY8Ww2s

Thanks!

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