What is the purpose of std::auto in C++17?

What is the purpose of std::auto in C++17?

In C++17, std::auto is used for type inference, allowing the compiler to automatically deduce the type of a variable.

Can you give me an example of how to use std::auto?

Sure! For instance, you can declare a variable like this: auto x = 5; The type of x will be deduced as int.

Are there any advantages to using std::auto?

Yes, it simplifies code and improves readability, especially with complex types like iterators or lambda expressions.

What are some common pitfalls when using std::auto?

One common pitfall is losing type information, especially with pointers or when using auto with function return types.