The anonymous function here takes an argument x and calls the capitalize method on it. The map call ensures that the anonymous function is called once for each item. Modern C++ has lambda ...

The anonymous function here takes an argument x and calls the capitalize method on it. The map call ensures that the anonymous function is called once for each item. Modern C++ has lambda expressions.

Creating an AWS Lambda function and trigger There are many ways to create a Lambda function, including plug-ins for IDEs like Eclipse and tools like the Serverless Framework.