csv-reflect

package main

import (
	"fmt"
	"reflect"
	"strconv"
)

type MyStruct struct {
	Name string
	Age  uint
	Cpf  string
}

func main() {

	data_MyStruct := MyStruct{

		Name: "Jeff",

		Age: 28,

		Cpf: "049.393.393-78",
	}

	stringcsv := structToCsv(&data_MyStruct)
	fmt.Println(stringcsv)
}

func structToCsv(i interface{}) (csv string) {

	var string_csv string

	iVal := reflect.ValueOf(i).Elem()

	for i := 0; i < iVal.NumField(); i++ {

		f := iVal.Field(i)

		var v string
		switch f.Interface().(type) {

		case int, int8, int16, int32, int64:
			v = strconv.FormatInt(f.Int(), 10)
		case uint, uint8, uint16, uint32, uint64:
			v = strconv.FormatUint(f.Uint(), 10)
		case float32:
			v = strconv.FormatFloat(f.Float(), 'f', 4, 32)
		case float64:
			v = strconv.FormatFloat(f.Float(), 'f', 4, 64)
		case []byte:
			v = string(f.Bytes())
		case string:
			v = f.String()
		}

		string_csv = string_csv + v + ";"
	}

	return string_csv
}