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📜  list cast<> c# (1)

📅  最后修改于: 2023-12-03 14:44:00.971000             🧑  作者: Mango

List Cast<> in C#

The List Cast<> method in C# is a powerful feature that allows developers to convert or cast one list type to another. This method can save developers a considerable amount of time since it eliminates the need to create new lists and manually copy items from one list to another.

Syntax

The syntax for List Cast<> in C# is as follows:

public static List<TResult> Cast<TResult>(this IEnumerable source);

Where source is the original list and TResult is the type to which the original list is being cast.

Example

Suppose we have a list of integers and we want to cast it to a list of strings. We can accomplish this very easily using the List Cast<> method:

List<int> numbers = new List<int> { 1, 2, 3, 4, 5 };
List<string> strings = numbers.Cast<string>().ToList();

Here, we first create a new list of integers called numbers. We then use the List Cast<> method to cast this list to a list of strings. Finally, we store the new list of strings in a variable called strings.

Benefits

Using the List Cast<> method in C# provides several benefits:

  1. Time-saving: By using the List Cast<> method, developers can convert lists from one type to another without having to create new lists and manually copy items.

  2. Type safety: Converting lists using the List Cast<> method ensures that the resulting list is of the specified type.

  3. Improved readability: Using List Cast<> can improve the readability of code since it simplifies the process of converting lists.

Conclusion

In conclusion, the List Cast<> method in C# is a powerful feature that can help developers save time and improve their code's readability. This method provides type safety and can convert lists from one type to another with ease.