December 2013
Beginner
656 pages
16h 42m
English
Content preview from Exploring C++ 11, Second Edition
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EXPLORATION 23
Unnamed Functions
One problem with calling algorithms is that sometimes the predicate or transformation function must be declared far from the place where it is called. With a properly descriptive name, this problem can be reduced, but often the function is trivial, and your program would be much easier to read if you could put its functionality directly in the call to the standard algorithm. A new feature in C++ 11 permits exactly that.
Lambdas
C++ 11 lets you define a function as an expression. You can pass this function to an algorithm, save it in a variable, or call it immediately. Such a function is called a lambda, for reasons ...
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