What are some advanced features of lambdas in C++?
Advanced features of lambdas in C++ include capturing by move, generic lambdas, and lambda expressions with default arguments.
Can you explain capturing by move?
Capturing by move allows a lambda to take ownership of variables from the surrounding scope, using std::move
.
What are generic lambdas?
Generic lambdas use auto
in their parameter list, allowing them to accept any type, enhancing flexibility.
How do I use default arguments in lambdas?
You can specify default arguments in a lambda by defining them in the capture list or within the lambda body.
Can you give an example of a lambda with default arguments?
Sure! Here's an example: auto myLambda = [](int x, int y = 10) { return x + y; };
This lambda adds two numbers, with y
defaulting to 10.
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