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标题: C# LINQ Any Example [打印本页]

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作者: Calvin    时间: 2011-10-7 15:30
标题: C# LINQ Any Example

1. class Pet
   
2. {
   
3.     public string Name { get; set; }
   
4.     public int Age { get; set; }
   
5.     public bool Vaccinated { get; set; }
   
6. }
   
7. public static void AnyEx2()
   
8. {
   
9.     // Create an array of Pets.
   
10.     List<Pet> PetList =
    
11.     {
    
12.         new Pet { Name="Barley", Age=8, Vaccinated=true },
    
13.         new Pet { Name="Boots", Age=4, Vaccinated=false },
    
14.         new Pet { Name="Whiskers", Age=1, Vaccinated=false }
    
15.     };
    
16.     // Determine whether any pets over age 1 are also unvaccinated.
    
17.     bool unvaccinated = PetList.Any(p => p.Age > 1 && p.Vaccinated == false);
    
18.     Console.WriteLine(
    
19.         "There {0} unvaccinated animals over age one.",
    
20.         unvaccinated ? "are" : "are not any");
    
21. }

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