| 123456789101112131415161718 | package orderedmapimport (	"encoding/json"	"testing")func TestNew(t *testing.T) {	o := New()	str := `{"333":"333","222":"222","111":"111"}`	if err := json.Unmarshal([]byte(str), &o); err != nil {		t.Error(err)		return	}	for _, key := range o.Keys() {		t.Log(key)	}}
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