What is the compatibility of std::string_view in C++17?

What is the compatibility of std::string_view in C++17?

In C++17, std::string_view is designed to provide a lightweight, non-owning view of a string. It is compatible with both std::string and C-style strings.

Can you explain how it differs from std::string?

Sure! std::string is a full-fledged string class that manages its own memory, while std::string_view is just a view that points to existing string data without owning it.

Are there any performance benefits to using std::string_view?

Yes, using std::string_view can improve performance by avoiding unnecessary string copies, especially when passing strings to functions.

What are some common use cases for std::string_view?

Common use cases include function parameters where you want to accept strings without copying, and for parsing or processing substrings.