How do I check if RaycastAll hits nothing

[SlonCHL]

RaycastHit Hits = Physics.RaycastAll(RayLine, Range);
RaycastHit FinalHit;

		float LastDistance = 0;
		foreach(RaycastHit Hit in Hits)
		{
			if(Hit.transform != transform && (LastDistance == 0 || Hit.distance < LastDistance))
			{
				FinalHit = Hit;
				LastDistance = Hit.distance;
			}
		}
		
		if(!FinalHit) // ERROR LINE <<<<<<<<<<<<<<<<<<<<<<<<<<<<
		{
			Hit();
		}

/*2 errors on one line:
error CS0165: Use of unassigned local variable `FinalHit'
error CS0023: The `!' operator cannot be applied to operand of type `UnityEngine.RaycastHit'*/

Seems like FinalHit = Hit isn’t assigning the FinalHit variable. How do I solve it besides by assigning the Hit.transform to FinalHit? And how do I check if FinalHit is null/empty?

EDIT:

I SOLVE THE USE OF UNASSIGNED VARIABLE PROBLEM BY DOING

		RaycastHit FinalHit = new RaycastHit();

[KiraSensei]

In a “if” statement, you need to test a boolean. Here you try to test a RaycastHit, so this does not work.

You can check a boolean valued if a raycast worked :

RaycastHit[] Hits = Physics.RaycastAll(RayLine, Range);
RaycastHit FinalHit;
boolean isHit = false;
 
float LastDistance = 0;
foreach(RaycastHit Hit in Hits)
{
    if(Hit.transform != transform && (LastDistance == 0 || Hit.distance < LastDistance))
    {
        isHit = true;
        FinalHit = Hit;
        LastDistance = Hit.distance;
    }
}
 
if(!isHit)
{
    Hit();
}

Don’t forget to revalue “isHit” to false when you don’t need it anymore. If you don’t use “FinalHit” in the “Hit” method, there is no use at all now.

[Cherno]

Just check if the array has a Length of 0.