// fig19_21.cpp 
// C++20 text-formatting with field widths and alignment.
#include <format>
#include <iostream>

int main() {
   std::cout << "Default alignment with field width 10:\n"
      << std::format("[{:10d}]\n[{:10f}]\n[{:10}]\n\n", 27, 3.5, "hello");
   
   std::cout << "Specifying left or right alignment in a field:\n"
      << std::format("[{:<15d}]\n[{:<15f}]\n[{:>15}]\n\n", 
            27, 3.5, "hello");

   std::cout << "Centering text in a field:\n"
      << std::format("[{:^7d}]\n[{:^7.1f}]\n[{:^7}]\n", 27, 3.5, "hello");
}

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