[erlang-questions] writing a delay loop without now()

[Matthew Dempsky]

On Wed, Feb 18, 2009 at 1:44 PM, James Hague <
> wrote:
> What was the reason for enforcing that now/0 never return the same
> value twice?

More than that, the runtime enforces that now/0 returns monotonically
increasing values, which makes it useful for timestamping events and
ensuring they have a stable sort order.