For the second prototype's example, shown in Listing 5–64, we roll our own version of the Sum operator.

Tice denies involvement in any conspiracy. . . . Still, Morgan says Tice and three or four other people remain persons of interest in the investigation.

Throughout the 1500s, the populace roiled over a constellation of grievances of which the forest emerged as a key focal point. The popular late Middle Ages fictional character Robin Hood, dressed in green to symbolize the forest, dodged fines for forest offenses and stole from the rich to give to the poor. But his appeal was painfully real and embodied the struggle over wood.

... any given value just before observing, the actual pressures must as frequently be incremented as decremented, both in the on and the off series.