so set precision to show all 50 significant digits, including any trailing zeros. This is generally useful to show the implicit precision of the type of the value.
var r rune = '2' //var r rune = '۲' //var r rune = 'Ⅱ' //var r rune = 'ⅱ' //var r rune = '〢' //var r rune = '𐏒' i64, err := numeric.Int64(test.Rune) if nil ...