Conversion Operators

linq54: ToArray

//c#
public void Linq54() 
{ 
    double[] doubles = { 1.7, 2.3, 1.9, 4.1, 2.9 }; 
  
    var sortedDoubles = 
        from d in doubles 
        orderby d descending 
        select d; 
    var doublesArray = sortedDoubles.ToArray(); 
  
    Console.WriteLine("Every other double from highest to lowest:"); 
    for (int d = 0; d < doublesArray.Length; d += 2) 
    { 
        Console.WriteLine(doublesArray[d]); 
    } 
}

linq55: ToList

//c#
public void Linq55() 
{ 
    string[] words = { "cherry", "apple", "blueberry" }; 
  
    var sortedWords = 
        from w in words 
        orderby w 
        select w; 
    var wordList = sortedWords.ToList(); 
  
    Console.WriteLine("The sorted word list:"); 
    foreach (var w in wordList) 
    { 
        Console.WriteLine(w); 
    } 
}

linq56: ToDictionary

//c#
public void Linq56() 
{ 
    var scoreRecords = new[] { new {Name = "Alice", Score = 50}, 
                               new {Name = "Bob"  , Score = 40}, 
                               new {Name = "Cathy", Score = 45} 
                             };
  
    var scoreRecordsDict = scoreRecords.ToDictionary(sr => sr.Name); 
  
    Console.WriteLine("Bob's score: {0}", scoreRecordsDict["Bob"]); 
}

linq57: OfType

//c#
public void Linq57() 
{ 
    object[] numbers = { null, 1.0, "two", 3, "four", 5, "six", 7.0 }; 
  
    var doubles = numbers.OfType(); 
  
    Console.WriteLine("Numbers stored as doubles:"); 
    foreach (var d in doubles) 
    { 
        Console.WriteLine(d); 
    } 
}

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