package main import ( "encoding/json" "github.com/iancoleman/orderedmap" ) func main() { // use New() instead of o := map[string]interface{}{} o := orderedmap.New() // use SetEscapeHTML() to whether escape problematic HTML characters or not, defaults is true o.SetEscapeHTML(false) // use Set instead of o["a"] = 1 o.Set("a", 1) // add some value with special characters o.Set("b", "\\.<>[]{}_-") // use Get instead of i, ok := o["a"] val, ok := o.Get("a") // use Keys instead of for k, v := range o keys := o.Keys() for _, k := range keys { v, _ := o.Get(k) } // use o.Delete instead of delete(o, key) o.Delete("a") // serialize to a json string using encoding/json bytes, err := json.Marshal(o) prettyBytes, err := json.MarshalIndent(o, "", " ") // deserialize a json string using encoding/json // all maps (including nested maps) will be parsed as orderedmaps s := `{"a": 1}` err := json.Unmarshal([]byte(s), &o) // sort the keys o.SortKeys(sort.Strings) // sort by Pair o.Sort(func(a *orderedmap.Pair, b *orderedmap.Pair) bool { return a.Value().(float64) < b.Value().(float64) }) }