Extended STL, Volume 1: Collections and Iterators

Chapter 26. Traveling Back and Forth on the Z-Plane

	If you want to serve the age, betray it.
	--Brendan Kennelly

	Go! Confront the problem!! Fight!!! Win!!!!
	--Edna Mole, The Incredibles

Prologue

I wrote this chapter late in the business of writing this book, after the completion of all of Parts I and III and most of Part II. I’d had it planned for a long time and was keen to write it, if only for the opportunity for another lame pun with its title. But I was concerned that the subject matter was not particularly interesting, and, from the perspective of my trajectory (after all the complexities of iterator adaptations [Chapters 36, 38, and 41], COM [Chapters 28 and 30], external iterator invalidation [Chapter 33], and so on), I was concerned that ...