deploy: 8d7e0046f4

examples/std_formatter.c++20.cpp

@@ -0,0 +1,22 @@
+#include <format>
+#include <iostream>
+#include <nlohmann/json.hpp>
+
+using json = nlohmann::json;
+
+int main()
+{
+    json j = {{"one", 1}, {"two", 2}};
+
+    // compact formatting, like dump()
+    std::cout << std::format("{}", j) << "\n\n";
+
+    // pretty-printed formatting, like dump(4)
+    std::cout << std::format("{:#}", j) << "\n\n";
+
+    // a width sets the indent, like dump(2)
+    std::cout << std::format("{:2}", j) << "\n\n";
+
+    // fill-and-align sets the indent character, like dump(4, '.')
+    std::cout << std::format("{:.>#}", j) << std::endl;
+}