May 2012
Intermediate to advanced
768 pages
14h 39m
English
Content preview from Sams Teach Yourself C++ in One Hour a Day, Seventh EditionBecome 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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Lesson 22. C++11 Lambda Expressions
Lambda expressions are a compact way to define and construct function objects without a name. These expressions are new to C++11. In this lesson, you find out
• How to program a lambda expression
• How to use lambda expressions as predicates
• How to program lambda expressions that can hold and manipulate a state
What Is a Lambda Expression?
A lambda expression can be visualized as a compact version of an unnamed struct (or class) with a public operator(). In that sense, a lambda expression is a function object like those in Lesson 21, “Understanding Function Objects.” Before jumping into analyzing the programming of lambda functions, take a function object from Listing 21.1 (from Lesson 21) as an example: ...
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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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