'int if null put zero' in C#

When working with nullable integers in C#, it's important to handle null values appropriately. One common approach is to return 0 when a null value is encountered. This can be accomplished using the ternary operator, as shown in this example:

int? nullableInt = null;
int myInt = nullableInt.HasValue ? nullableInt.Value : 0;

However, this code can be simplified by using the null-coalescing operator:

int? nullableInt = null;
int myInt = nullableInt ?? 0;

This code assigns the value of nullableInt to myInt, unless nullableInt is null, in which case myInt is assigned the value of 0.

To make this pattern even more concise, you can use the shorthand notation for nullable integers:

int? nullableInt = null;
int myInt = nullableInt.GetValueOrDefault();

This code assigns the value of nullableInt to myInt, unless nullableInt is null, in which case myInt is assigned the default value of 0.

Overall, the 'int if null put zero' pattern is a useful technique for handling nullable integers in C#. By using the null-coalescing or shorthand notation, you can make your code more concise and easier to read.