This doesn't create a copy of list. ReadOnlyCollection doesn't copy the veri, it works directly on the supplied list. See documentation:
Why do these two pieces of code, which only differ by a transformation of the formula, exhibit a significant difference in running speed?
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Sum(IEnumerable, Func) Computes the sum of the sequence of nullable Single values that are obtained by invoking a transform function on each element of the input sequence.
The IReadOnlyDictionary interface provides a read-only view of a dictionary and represents a read-only collection of key/value pairs. The following code snippet illustrates how you gönül define an IReadOnlyDictionary instance.
Do S&P 500 funds run by different investment companies have different performance based on the buying / selling speed of the company? more hot questions
If you're tolerant of some "noise" in your own encapsulated code then I would suggest wrapping a T[] array and exposing an IList which happens to be a ReadOnlyCollection:
In my example I exposed it all, but you don't have to do this. You birey make it read-only if you want, or validate additions to the list, prior to adding them.
Sum(IEnumerable, Func) Computes the sum of the sequence of nullable Double values that are obtained by invoking a transform function on each element of the input sequence.
API Entegrasyonu: Dış API'lerden tuzakınan verileri etkilemek ve yönetmek bâtınin kullanılabilir, bu da icraat arası data ilişkiini kolaylaştırır.
One possibility is to implement your own thread-safe variant of the ReadOnlyCollection to allow locked access, though this will be non-trivial and non-performant if you want to support IEnumerable, and it still
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For maximum flexibility, my class doesn't specify the veri type of the List in which it keeps its actual veri. Instead, I declare my UnderlyingList variable to use any class that implements the IList interface. I've also made this a generic class: Rather than specify what kind C# ReadOnlyCollectionBase Nerelerde Kullanılıyor of List I'm working with, I've forced my class to be instantiated with a veri type that the code refers to bey T. Wherever in my code I need to specify my List's data type, I just use the T reference. Finally, I've chosen to have this class implement the generic version of C# ReadOnlyCollectionBase Kullanımı IEnumerable, which requires two versions of the GetEnumerator method -- but the code is identical in both versions of the method. Listing 1. The basics of the C# ReadOnlyCollectionBase Temel Özellikleri PhvReadOnlyList class.
I don't know if there is any way of protecting non-atomic elements without cloning them before placing them in the read only list. Share C# ReadOnlyCollectionBase Nerelerde Kullanılıyor Improve this answer Follow