How do I use std::format vs iostreams?

C++ provides several methods for formatting strings. Two commonly used methods are std::format and iostreams. Here we will compare both methods.

Keywords: std::format, iostreams, C++, string formatting, outputting text
Description: This example illustrates the use of std::format and iostreams for formatting strings in C++.
// Example using std::format #include <iostream> #include <format> // Requires C++20 int main() { int value = 42; std::string formatted = std::format("The answer is {}", value); std::cout << formatted << std::endl; // Example using iostreams std::cout << "The answer is " << value << std::endl; return 0; }

Keywords: std::format iostreams C++ string formatting outputting text

Related Questions

How do I avoid rehashing overhead with std::set in multithreaded code?

How do I find elements with custom comparators with std::set for embedded targets?

How do I erase elements while iterating with std::set for embedded targets?

How do I provide stable iteration order with std::unordered_map for large datasets?

How do I reserve capacity ahead of time with std::unordered_map for large datasets?

How do I erase elements while iterating with std::unordered_map in multithreaded code?

How do I provide stable iteration order with std::map for embedded targets?

How do I provide stable iteration order with std::map in multithreaded code?

How do I avoid rehashing overhead with std::map in performance-sensitive code?

How do I merge two containers efficiently with std::map for embedded targets?