Try reflections in swift

gistfile1.txt

class Document {
    func properties() -> [String] {
        var array: [String] = []
        var mirror = reflect(self)
        for i in 0..<mirror.count {
            if mirror[i].0 != "super" {
                array.append(mirror[i].0)
            }
        }
        return array
    }
    
    func propertyTypeString(name: String) -> String? {
        var mirror = reflect(self)
        for i in 0..<mirror.count {
            if (mirror[i].0 == name) {
                var value = mirror[i].1.value
                if value is String {
                    return "String"
                }
                if value is Int {
                    return "Int"
                }
                if value is Float {
                    return "Float"
                }
                if value is NSData {
                    return "NSData"
                }
            }
        }
        return nil
    }
}

class TestDocument: Document {
    var a: Int = 5
    var name: String = "test"
    var data: NSData = NSData()
}

for name in TestDocument().properties() {
    println(TestDocument().propertyTypeString(name))
}