reflectValueToTime.go

package main

import (
	"fmt"
	"reflect"
	"time"
)

type TimeStamp struct {
	T			time.Time
}

type structTagType struct {
	Type	reflect.Type
	Tag		reflect.StructTag
	Value	interface{}
}

func attributes(m interface{}) (map[string]structTagType) {

    attrs := make(map[string]structTagType)

    v := reflect.ValueOf(m)
    for i := 0; i < v.NumField(); i++ {
		t1 := v.Field(i)
		var val interface{}

		switch t1.Kind() {
		case reflect.Struct:
			if t1.Type() == reflect.TypeOf(time.Time{}) {
				val = t1.Interface().(time.Time).Format(time.RFC3339Nano)		// Error in .Interface()
			} 
		}
		
		aa := structTagType{}
		aa.Type 	= v.Type().Field(i).Type
		aa.Tag  	= v.Type().Field(i).Tag
		aa.Value	= val
		attrs[v.Type().Field(i).Name] = aa
    }
	return attrs
}

func main() {
	model := TimeStamp{
					T:time.Now(), 
			}
    for name, mtype := range attributes(model) {
        Property := &mtype 
        fmt.Printf("%6s, value: %10s\n", name, Property.Value)	
	}
}


//panic: reflect.Value.Interface: cannot return value obtained from unexported field or method