>> Note that a block by itself is semantically identical to a loop >> -that executes once. Thus C<last> can be used to effect an early >> +that executes once. Thus C<last> can be used to affect an early >> exit out of such a block. > >effect is a noun. affect is a verb so I think this change is correct. > >> -You can effect a sleep of 250 milliseconds this way: >> +You can affect a sleep of 250 milliseconds this way: > >This is correct. > Hmm...
http://dictionary.reference.com/search?q=effect tr.v. ef·fect·ed, ef·fect·ing, ef·fects To bring into existence. To produce as a result. To bring about. See Usage Note at affect. http://dictionary.reference.com/search?q=affect Usage Note: Affect and effect have no senses in common. As a verb affect is most commonly used in the sense of “to influence” (how smoking affects health). Effect means “to bring about or execute”: layoffs designed to effect savings. Thus the sentence These measures may affect savings could imply that the measures may reduce savings that have already been realized, whereas These measures may effect savings implies that the measures will cause new savings to come about.
