On Wed, Dec 18, 2013 at 10:45 PM, Micha Niskin <micha.nis...@gmail.com>wrote:

> The difference between a cell and an atom with watchers attached is that
> cells guarantee consistency. That is to say that the evaluation mechanism
> ensures that a formula cell is never updated until all of the cells it
> depends on have been updated, that the formula is evaluated at most one
> time, and that the cell's formula is evaluated only when the value of a
> cell it depends on has changed. A cool property here is that the entire
> graph of cells updates atomically and consistently, even though the
> individual cells are updating themselves one at a time. The consistency
> guarantee ensures that each cell sees the world as if it updates
> atomically; no cell can ever see other cells in a half-evaluated state;
> each cell acts as if it were the last cell to update. You can think of the
> entire graph as a single value.
>

What happens if the formula cells have circular dependencies?

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