asFieldOption

pub fn asFieldOption(self: ChildFieldOptions) ?FieldOptions {
            switch (self) {
                .none => return null,
                .standard => |fo| return @unionInit(FieldOptions, "standard", fo),
                .number => |fo| return @unionInit(FieldOptions, "number", fo),
                .text => |fo| return @unionInit(FieldOptions, "text", fo),
                .boolean => |fo| return @unionInit(FieldOptions, "boolean", fo),
            }
        }