No More Magic Strings! Presenting: @string.of

The ProblemHow many times have you seen the following code snippets?1. Checking method parametersif (executeMethod == null){    throw new ArgumentNullException("executeMethod"); }2. Implementing a property in a WPF / SL view-modelpublic double Size{    get { return _size; }    set    {        _size = value;        RaisePropertyChanged("Size");    }}The first time I had to wrote code like this I