Simpler way to pattern match on null (C#)-CodePudding

Is there a simpler way to write this type of code?

while (true) {
    int? temp = f();

    if (temp is null)
    {
        break;
    }

    int x = temp.Value;
    // ... use x
}

CodePudding user response：

The pattern match expression itself can be like this:

    if (temp is not int x)
    {
        break;
    }

    // ... use x

Or you can change the entire loop to be like this:

while (f() is int x)
{
   // ... use x
}

CodePudding user response：

int? x1, x2;
while ((x1 = f()) is { })
    x2 = x1;

CodePudding user response：

How about...

for (int temp; (temp = f()) != null; ){
 // use temp
}