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What is the yield keyword used for in C#?

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盖世英雄少女心
盖世英雄少女心 2020-11-22 05:26

In the How Can I Expose Only a Fragment of IList<> question one of the answers had the following code snippet:

IEnumerable FilteredList()
{
         


        
      
      
      

        

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                 無奈伤痛 
              
              
    
                
                   無奈伤痛
                                             
                
                
                (楼主)
            
              
                  
    
                2020-11-22 05:48
              
    

            
    
            
    
              
              

    It is a very simple and easy way to create an enumerable for your object.  The compiler creates a class that wraps your method and that implements, in this case, IEnumerable.  Without the yield keyword, you'd have to create an object that implements IEnumerable.
    
    
    
             
    
                                                        
    
            
            
    
              
                
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