Test

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HelloWithGenericInheritance2

import Foundation
import ServiceStack

public class HelloWithGenericInheritance2 : HelloBase<Hello>
{
    public var result:String

    required public init(){ super.init() }

    private enum CodingKeys : String, CodingKey {
        case result
    }

    required public init(from decoder: Decoder) throws {
        try super.init(from: decoder)
        let container = try decoder.container(keyedBy: CodingKeys.self)
        result = try container.decodeIfPresent(String.self, forKey: .result)
    }

    public override func encode(to encoder: Encoder) throws {
        try super.encode(to: encoder)
        var container = encoder.container(keyedBy: CodingKeys.self)
        if result != nil { try container.encode(result, forKey: .result) }
    }
}

public class HelloBase<T : Codable> : Codable
{
    public var items:[T] = []
    public var counts:[Int] = []

    required public init(){}
}

public class Hello : Codable
{
    // @Required()
    public var name:String?

    public var title:String

    required public init(){}
}


Swift HelloWithGenericInheritance2 DTOs

To override the Content-type in your clients, use the HTTP Accept Header, append the .csv suffix or ?format=csv

HTTP + CSV

The following are sample HTTP requests and responses. The placeholders shown need to be replaced with actual values.

POST /csv/oneway/HelloWithGenericInheritance2 HTTP/1.1 
Host: test.servicestack.net 
Accept: text/csv
Content-Type: text/csv
Content-Length: length

{"result":"String","items":[{"name":"String","title":"String"}],"counts":[0]}