What improvements have been made to Out parameters in C# 7.0?

We can declare values ​​inline as parameters for methods.

Now, the existing out parameters have been improved in this version. Now we can declare

Use out variables in the argument list of a method call instead of writing separate code Declaration statement.

Advantages −

• The code is more readable.

• No need to assign an initial value.

Existing syntax −

Example

class Program{
   public static void AddMultiplyValues(int a, int b, out int c, out int d){
      c = a + b;
      d = a * b;
   }
   public static void Main(){
      int c;
      int d;
      AddMultiplyValues(5, 10, out c, out d);
      System.Console.WriteLine(c);
      System.Console.WriteLine(d);
      Console.ReadLine();
   }
}

Output

15
50

New syntax −

Example

class Program{
   public static void AddMultiplyValues(int a, int b, out int c, out int d){
      c = a + b;
      d = a * b;
   }
   public static void Main(){
      AddMultiplyValues(5, 10, out int c, out int d);
      System.Console.WriteLine(c);
      System.Console.WriteLine(d);
      Console.ReadLine();
   }
}

Output

15
50

The above is the detailed content of What improvements have been made to Out parameters in C# 7.0?. For more information, please follow other related articles on the PHP Chinese website!