rust-lang/rust — pull request #18309 by cakebaker (2014-10-25 14:29:57+00:00)
Title: Guide: Fix off-by-one error

The code snippet `range(1i, 100i).map(|x| x + 1i);` would produce the numbers `2-100` (and not `2-101`) because the range produces the numbers `1-99`.