gotilty / gotil

package internal

import (

	"encoding/hex"

	"fmt"

)

//HexEncode returns empty string if the parameter is unsupported type.

//Just works with all primitive types.

//In decimal numbers, it should be used as a "string" in numbers where the total number of digits is too many.

func HexEncode(a interface{}) (string, error) {

	if s, err := ToString(a); err == nil {

		return stringToHex(s)

	} else {

		return "", err

	}

}

func stringToHex(s string) (string, error) {

	src := []byte(s)

	dst := make([]byte, hex.EncodedLen(len(src)))

	hex.Encode(dst, src)

	return fmt.Sprintf("%s", dst), nil

}