Map wouldn't have really brought a lot of clarity or control. You'd have to specify an array of array-pairs, which is noisy IMO, and then you wouldn't have the

Map wouldn't have really brought a lot of clarity or control. You'd have to specify an array of array-pairs, which is noisy IMO, and then you wouldn't have the benefit of being able to programatically/conditionally add fields. I might consider a static `Struct.fromMap(name, mapObject)`, but as a complimentary API.