请以表格形式详细列出前三个使用C++11标准引入的特性，且表格第一行为特性、概述、示例。要求语言采用英文。
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| Feature       | Description                                                                 | Example                                                                 |
|---------------|-----------------------------------------------------------------------------|-------------------------------------------------------------------------|
| Auto          | Automatically deduces the type of a variable from its initializer.         | `auto x = 5; // x is an int`                                           |
| Range-based for Loop | Simplifies iteration over all elements in a container.                     | `for(auto& i : vec) { std::cout << i; }`                               |
| Lambda Expressions | Allows inline function objects to be defined without naming them explicitly.| `auto lambda = [](int x) { return x + 1; }; int result = lambda(5);` |
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