What are advanced features of lambda expressions in C++?
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What are advanced features of lambda expressions in C++?
Advanced features of C++ lambda expressions include capturing by move, default parameters, and specifying return types.
Can you explain capturing by move?
Capturing by move allows a lambda to take ownership of variables from the surrounding scope, enabling modifications.
What about default parameters in lambdas?
Default parameters in lambdas let you specify default values for parameters, making them more flexible and reusable.
How do I specify a return type in a lambda?
You can specify a return type using the '->' syntax, followed by the type, right after the parameter list.
Can you give an example of a lambda with all these features?
Sure! Here's an example: auto myLambda = [](int x, int y = 10) -> int { return x + y; }; This captures nothing, has a default parameter, and specifies a return type.
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