Amazon Web Services has made the option of using Graviton2 Arm-based processors for Lambda functions generally available. The functionality is offered in Mumbai, Singapore, Sydney, Tokyo ...

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.

AWS Lambda currently supports three computer language environments for handler functions: Node.js (JavaScript); Java code packaged as Jar or Zip files; and Python.