Go reading struct tag

import (
        "reflect"
        "strings"
        "fmt"
)

type Profile struct {
        Id            int    `validate:"numeric" json:"id"`
        First         string `validate:"required" json:"first"`
        Last          string `validate:"required" json:"last"`
        Birth         string `validate:"required" json:"birth"`
        Sex           string `validate:"required" json:"sex"`
        MaritalStatus string `validate:"required" json:"marital_status"`
        Children      int    `validate:"numeric" json:"children"`
}

func GetStructFieldValidators(data interface{}) map[string][]string {
        v := reflect.ValueOf(data)
        t := reflect.TypeOf(data)

        validators := make(map[string][]string)
        for i := 0; i < v.NumField(); i++ {
                validators[strings.ToLower(v.Type().Field(i).Name)] = []string{t.Field(i).Tag.Get("validate")}
        }
        return validators
}

func main() {
        for k, v := range GetStructFieldValidators(Profile{}){
                fmt.Println(k, v)
        }
}

last [required]
birth [required]
sex [required]
maritalstatus [required]
children [numeric]
id [numeric]
first [required]