If I define a shared ulong variable, is increment an atomic operation?
E.g.

shared ulong t;

...

t++;

It seems as if it ought to be, but it could be split into read, increment, store.

I started off defining a shared struct, but that seems silly, as if the operations defined within a shared struct are synced, then the operation on a shared variable should be synced, but "+=" is clearly stated not to be synchronized, so I'm uncertain.

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