toNullableType<T> static method
Converts value into an object type specified by Type Code or returns null when conversion is not possible.
type
the TypeCode for the data type into which 'value' is to be converted.value
the value to convert. Returns object value of type corresponding to TypeCode, or null when conversion is not supported.
See toTypeCode
Implementation
static T? toNullableType<T>(TypeCode? type, value) {
if (value == null) return null;
// Convert to known types
if (type == TypeCode.String) {
value = StringConverter.toNullableString(value);
} else if (type == TypeCode.Boolean) {
value = BooleanConverter.toNullableBoolean(value);
} else if (type == TypeCode.Integer) {
value = IntegerConverter.toNullableInteger(value);
} else if (type == TypeCode.Long) {
value = LongConverter.toNullableLong(value);
} else if (type == TypeCode.Float) {
value = FloatConverter.toNullableFloat(value);
} else if (type == TypeCode.Double) {
value = DoubleConverter.toNullableDouble(value);
} else if (type == TypeCode.DateTime) {
value = DateTimeConverter.toNullableDateTime(value);
} else if (type == TypeCode.Duration) {
value = DurationConverter.toNullableDuration(value);
} else if (type == TypeCode.Array) {
value = ArrayConverter.toNullableArray(value);
} else if (type == TypeCode.Map) value = MapConverter.toNullableMap(value);
return value;
}