November 1999
Intermediate to advanced
240 pages
5h 22m
English
Content preview from Exceptional C++: 47 Engineering Puzzles, Programming Problems, and SolutionsBecome an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
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Chapter 6. Temporary Objects
Difficulty: 5
Unnecessary and/or temporary objects are frequent culprits that can throw all your hard work—and your program's performance—right out the window. How can you spot them and avoid them?
(“Temporary objects?” you might be wondering. “That's more of an optimization thing. What's that got to do with generic programming and the standard library?” Bear with me; the reason will become clear in the following Item.)
You are doing a code review. A programmer has written the following function, which uses unnecessary temporary objects in at least three places. How many can you identify, and how should the programmer fix them?
string FindAddr( list<Employee> emps, string name ) { for( list<Employee>::iterator i = emps.begin(); ...Become an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
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