You need to export the fields of tData in order for encoding/json to see them.
> On Oct 30, 2016, at 6:01 AM, MaReK Olšavský <marek.olsav...@gmail.com> wrote:
>
> Hello,
> maybe i'm bad understand to json.Unmarshal and slices.
> I've data in json:
> vals :=
> `[{"time":"20160902","value":572736},{"time":"20160903","value":567616},{"time":"20160904","value":554560},{"time":"20160905","value":565600},{"time":"20160906","value":554752},{"time":"20160907","value":555744},{"time":"20160908","value":551392},{"time":"20160909","value":558272},{"time":"20160910","value":545696},{"time":"20160911","value":528032},{"time":"20160912","value":560960},{"time":"20160913","value":560480},{"time":"20160914","value":561920},{"time":"20160915","value":561216},{"time":"20160916","value":564512},{"time":"20160917","value":552352},{"time":"20160918","value":524960},{"time":"20160919","value":562688},{"time":"20160920","value":577632},{"time":"20160921","value":564704},{"time":"20160922","value":567296},{"time":"20160923","value":564544},{"time":"20160924","value":570944},{"time":"20160925","value":576224},{"time":"20160926","value":594176},{"time":"20160927","value":590784},{"time":"20160928","value":561184},{"time":"20160929","value":563744},{"time":"20160930","value":560928}]`
>
> //Stucture for them is:
> type tData struct{
> time string
> value float64
> }
>
> //And for location i've structure:
> type tReport struct{
> //Siteid int
> Mname string
> Vals []tData
> }
>
> //I must Unmarshal data into tReport.Vals. Fragments of code:
>
> var report []tReport
> var dat []tData
>
> if err := json.Unmarshal([]byte(vals), &dat); err != nil {
> ml.ErrInfo(err, verboseFlag)
> }
> fmt.Println("Data::")
> fmt.Println(dat)
> report = append(report, tReport{Mname: mname, Vals: nil})
>
> //EOF code
>
> But line fmt.Println(dat) shows me only: [{ 0} { 0} { 0} { 0} { 0} { 0} { 0}
> { 0} { 0} { 0} { 0} { 0} { 0} { 0} { 0} { 0} { 0} { 0} { 0} { 0} { 0} { 0} {
> 0} { 0} { 0} { 0} { 0} { 0} { 0}]
>
> I don't understand why :-(.
>
> Thank for Your help
> MaReK (MarekTP) Olsavsky
>
> BTW: Sorry for terrible english, it's not my mature tongue.
>
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