If your class is a custom collection class then yes, it should implement IEnumerable. In this case a public property for the inner list would be redundant. Imagine a simple class:
are two properties in particular—one that points to a query provider (e.g., a LINQ to SQL provider) and another one pointing to a query expression representing the IQueryable object kakım a runtime-traversable abstract syntax tree that güç be understood by the given query provider (for the most part, you sevimli't give a LINQ to SQL expression to a LINQ to Entities provider without an exception being thrown).
Genel sıfır bir derme üzerinde olağan bir yinelemeyi destekleyen bir numaralandırıcıyı kullanıma sunar.
Analogy: Imagine you are a detective on an aeroplane . You need to work your way through all the passengers to find your suspect.
Will I run into issues if I connect a shunt 50 ohm resistor over a high impedance input pin on an IC?
Quoting that article, 'Kakım per the MSDN documentation, calls made on IQueryable operate by building up the internal expression tree instead.
List: List dershaneı, devim bilimi boyutlarda sıralı koleksiyonlar sinein kullanılır ve bu tür koleksiyonlarda elemanları gezinmek dâhilin IEnumerator C# IStructuralComparable nedir kullanımı yaygındır.
To begin examining the process of implementing existing .Safi interfaces, let’s first look at the role C# IEnumerable Nedir of
Now what makes IEnumerable really stand out is iterator blocks (the yield keyword in C#). Iterator blocks implement the IEnumerable interface like a List or an Array, but they're very special because unlike a List or Array, they often only hold the state for a single item at a time. So if you want to loop over the lines in a very large file, for example, you can write an iterator block to handle the file input.
I do have one question though. In the first example you loop over the array using foreach but then you cannot do it in the second example. Is this because the array is in a class or because it contains objects?
This takes an IEnumerator factory function, which usually sevimli be provided very easily instead of the single IEnumerator instance (which yields wrong results after first iteration and breaks the semantics of IEnumerable). This avoids C# IStructuralComparable Nasıl kullanılır the issues marked by Marc Gravell and establishes full IEnumerable behavior.
Expression trees are a very important construct in C# and on the .Kemiksiz platform. (They are important in general, but C# makes them very useful.) To better understand the difference, I recommend reading about the differences between expressions
IEnumerable is an interface that defines one method GetEnumerator which returns an IEnumerator interface, this C# IStructuralComparable nerelerde kullanılıyor in turn allows readonly access to a collection. A collection that implements IEnumerable dirilik be used with a foreach statement.
Below mentioned small test might help you understand one aspect of difference between IQueryable and IEnumerable. I've C# IStructuralComparable nedir reproduced this answer from this post where I was trying to add corrections to someone else's post