CSharp - Type Creation Finalizers

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Introduction

Finalizers are class-only methods that execute before the garbage collector releases the memory for an unreferenced object.

The syntax for a finalizer is the name of the class prefixed with the ~ 

class Class1
{
       ~Class1()
       {
         ...
       }
}

Finalizers allow the following modifier:

Modifier Value
Unmanaged code modifier unsafe

Single-statement finalizers can be written with expression-bodied syntax: 

~Class1() => Console.WriteLine ("Finalizing");