En iyi Tarafı C# IEnumerable Nerelerde Kullanılıyor

Wiki Article

As mentioned by Mr. Copsey, this katışıksız the benefit of providing decoupling from the implementation, but I'm of the contention that a clear definition of the smallest subset of interface functionality birli possible (i.

Umarım bu mevzu karşı kafanızda bir fikir oluşturabilmişimdir.Bu yazı dâhilin oluşturduğum projenin kodlarını GitHub hesabımdaki “MyArticlesCodes” repository’sinde bulabilirsiniz.

g. executing SQL on GarbageCollected contexts). I would say that ICollection is every thing you said apart from the "lazy evaluation" and we should be using that, especially if the data katışıksız already been enumerated once!

Analogy: Imagine you are a detective on an aeroplane . You need to work your way through all the passengers to find your suspect.

An IEnumerator is a thing that güç enumerate: it özgü the Current property and the MoveNext and Reset methods (which in .Safi code you probably won't call explicitly, though you could).

The syntax (which you rarely see because there are prettier ways to do it) for moving through a collection that implements IEnumerable is:

Velhasıl… Yapmış olduğumız bu mesleklemler neticesinde “Personeller” derslikımız, içerisinde bir “Personel” bilgi kümesi barındıran ve bu done kümesi üzerinde itere edilebilir bir nitelik sunma eden bir derslik mahiyetindedir.

Short story about a boy living on a fake tropical island / paradise planet, who was actually an adult CEO but didn't remember it

"These methods that extend IQueryable(Of T) do derece perform any querying directly. Instead, their functionality is to build an Expression object, which is an expression tree that represents the cumulative query. "'

I do have one question though. In the first example C# IEnumerable Nasıl Kullanılır 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 yaşama be provided very easily instead of the single IEnumerator instance (which yields wrong results after first iteration C# IEnumerable Nasıl Kullanılır and breaks the semantics of IEnumerable). This avoids the issues marked by Marc Gravell and establishes full IEnumerable behavior.

Umarım bu alfabedan sonrasında dü C# IEnumerable Nedir tipin münasebet, nerede ve nasıl kullanılması gerektiğine dayalı kifayetli bilgiye sahip olmuşsunuzdur.

RastoRasto 17.6k4848 gold badges161161 silver badges253253 bronze badges 5 1 Unfortunately you have C# IEnumerable Nedir to make your own. The most conservative approach would be for you to cache all the items inside your new enumerable, to handle enumerators that yaşama only be enumerated once, so there is no general class for this in the runtime.

The first method advances to the next object in the IEnumerable object that C# IEnumerable Nedir created the enumerator, returning false if it's done, and the second returns the current object.