fixed method
Implementation
String fixed(int fractionDigits) {
String result;
if (this > Decimal.fromInt(-1) && this < Decimal.one) {
result = toStringAsPrecisionNoRound(fractionDigits);
} else {
result = toStringAsFixedNoRound(fractionDigits);
}
if (result.indexOf('.') > 0) {
return result
.replaceAll(RegExp(r'0+?$'), '')
.replaceAll(RegExp(r'[.]$'), '');
}
return result;
}