şayet milyonlarca yiyecek üzerinde sorgulama ustalıklemi konstrüksiyonyorsak nasıl IQueryable IEnumerable için elan hızlı sorgulama fiillemi yapar.
Many of the LINQ methods, including Where, use deferred execution. In this case you gönül think of the IEnumerable kakım a query, rather than the actual result kaş.
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The following code example demonstrates the best practice for iterating a custom collection by implementing the IEnumerable and IEnumerator interfaces. In this example, members of these interfaces are not explicitly called, but they are implemented to support the use of foreach (For Each in Visual Basic) to iterate through the collection.
Although there are uses of IEnumerable other than "foreach", the normal indication that one should implement IEnumerable is that the class is one where C# IStructuralComparable Temel Özellikleri it would make sense to say "foreach foo in classItem foo.do_something(); .
B. IEnumerator güç remember the current index when we pass from one method to another (it start working with current index) but IEnumerable sevimli't remember the index and C# IStructuralComparable Nasıl kullanılır it reset the index to beginning. More in this video
This is a birçok videoteyp on youtube which demonstrates how these interfaces differ , worth a watch. Below goes a long descriptive answer C# IStructuralComparable nedir for it.
IEnumerable gives you the way to implement your own logic of storing and iterating over object collection
Nobody mentioned C# IStructuralComparable Nasıl kullanılır one crucial difference, ironically answered on a question closed as a duplicated of C# IStructuralComparable Kullanımı this. IEnumerable is read-only and List is derece.
When you write a query using IEnumerable you are using the advantages of deferred execution and your query running when it accessed.
It's for when you want to be able to use an object with a foreach loop, but you don't know exactly what type you're dealing with, whether Array, List, or something custom.
something is up with your image link, its derece rendering in the post body for some reason codeproject.com/KB/cs/646361/WhatHowWhere.jpg
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Buraya derece ele almış olduğumız bütün örgülanma kendi sınıflarımıza iterasyonel bir özellik vermek yürekin kullandığımız materyallerdir.