Alright, consider the following situation: There’s a data class with two properties, Index and Content. There’s a specialised collection typed to contain instances of the data class. Something like this:

public class DataClass {
  public DataClass(string index, string content) {
    this.index = index;
    this.content = content;
  }

  string index;
  public string Index { get { return index; } }

  string content;
  public string Content { get { return content; } }
}

public cl ...

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A very interesting article here: Comparisons with Generics