If you haven’t taken a lock, any other code can start executing at any time, so any invariant you might have established on one line may no longer be true on the next line.
If you don’t depend on anything mutable that anyone else can modify then this is mitigated, but that’s a very specific discipline you have to abide by.
alt Hacker News
If you haven’t taken a lock, any other code can start executing at any time, so any invariant you might have established on one line may no longer be true on the next line.
If you don’t depend on anything mutable that anyone else can modify then this is mitigated, but that’s a very specific discipline you have to abide by.