Pointers and address space

gistfile1.m

// Assume array is an NSArray of NSString objects

NSString *lastFoo = nil;

for (NSString *foo in array)
{
    lastFoo = foo;   // Why doesn't foo take on the address of bar?
    lastFoo = &foo;  // Is this better?
    *lastFoo = &foo; // Or perhaps this?
    // Other suggestions?
}