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Pinning a Type via the fixed Keyword

As you saw in the previous example, allocating a chunk of memory within an unsafe context may be

facilitated via the stackalloc keyword. By the very nature of this operation, the allocated memory

is cleaned up as soon as the allocating method has returned (as the memory is acquired from the

stack). However, assume a more complex example. During our examination of the -> operator, you

created a value type named Point. Like all value types, the allocated memory is popped off the stack

once the executing scope has terminated. For the sake of argument, assume Point was instead

defined as a 

reference type: