public override NullableOption <T> Read(ref Utf8JsonReader reader, Type _, JsonSerializerOptions options)
{
T?value;
if (reader.TokenType == JsonTokenType.Null)
{
value = default(T?);
}
else
{
value = _valueConverter.Read(ref reader, typeof(T), options);
}
return(NullableOption <T> .Some(value));
}
public override void Write(Utf8JsonWriter writer, NullableOption <T> value, JsonSerializerOptions options)
{
if (!value.IsSome(out T? item))
{
throw new ArgumentNullException(nameof(value), $"Unable to serialize {NullableOption<T>.None}. Consider using {nameof(JsonIgnoreAttribute)} to avoid this.");
}
if (item is null)
{
writer.WriteNullValue();
}
else
{
_valueConverter.Write(writer, item, options);
}
}