29 lines
		
	
	
		
			1019 B
		
	
	
	
		
			Markdown
		
	
	
	
	
	
			
		
		
	
	
			29 lines
		
	
	
		
			1019 B
		
	
	
	
		
			Markdown
		
	
	
	
	
	
| ---
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| title: First Or Default
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| ---
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| 
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| # FirstOrDefault
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| 
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| Returns the first element that satisfies an optional given condition. If no element is found, the ```default()``` of the object is returned
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| 
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| ### Signature
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| ```csharp
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| Enumerable.FirstOrDefault<TSource>(IEnumerable<TSource>, Func<TSource, Boolean>)
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| ```
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| 
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| ## Example
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| ```csharp
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| var fruits = new List<Fruit>() {
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|     new Fruit() { Id = 1, Name = "Orange",     Color = "Orange", Quantity: 3   },
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|     new Fruit() { Id = 2, Name = "Strawberry", Color = "Red",    Quantity: 12  },
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|     new Fruit() { Id = 3, Name = "Grape",      Color = "Purple", Quantity: 25  },
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|     new Fruit() { Id = 4, Name = "Pineapple",  Color = "Yellow", Quantity: 1   },
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|     new Fruit() { Id = 5, Name = "Apple",      Color = "Red",    Quantity: 5   },
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|     new Fruit() { Id = 6, Name = "Mango",      Color = "Yellow", Quantity: 2   }
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| };
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| 
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| var firstFruit = fruits.FirstOrDefault(); // Orange
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| 
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| var firstYellowFruit = fruits.FirstOrDefault(f => f.Color == "Green"); // null
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| ```
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