getDoubleOrNull method

double? getDoubleOrNull(
  1. String name, {
  2. double? defaults,
})

Implementation

double? getDoubleOrNull(String name, {double? defaults}) {
  final value = getStringOrNull(name);
  if (value == null || value == '') {
    return defaults;
  }
  final parsed = double.tryParse(value);
  if (parsed == null) {
    throw ParsingException(
      name,
      value,
      'Double field has unparsable double',
    );
  }
  return parsed;
}