facet_generate 0.16.0

Generate Swift, Kotlin and TypeScript from types annotated with `#[derive(Facet)]`
Documentation 
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func serializeOption<T, S: Serializer>(
    value: T?,
    serializer: S,
    serializeElement: (T, S) throws -> Void
) throws {
    if let value = value {
        try serializer.serialize_option_tag(value: true)
        try serializeElement(value, serializer)
    } else {
        try serializer.serialize_option_tag(value: false)
    }
}

func deserializeOption<T, D: Deserializer>(
    deserializer: D,
    deserializeElement: (D) throws -> T
) throws -> T? {
    let tag = try deserializer.deserialize_option_tag()
    if tag {
        return try deserializeElement(deserializer)
    } else {
        return nil
    }
}