floatNull static method
Implementation
static double? floatNull(Map<String, Object> value,
{String name = '', bool allowNull = false}) {
final v = (value['doubleValue'] as num?)?.toDouble();
if (v != null) {
return v;
} else if (allowNull) {
return null;
} else {
throw LooseException(
'Null not allowed in "$name". Use "readNull" annotation to allow.');
}
}