Форматированный вывод в D

    items ~= 1.23;
    items ~= 45.6;

    for (int i = 0; i != items.length; ++i) {
        writeln("Item ", i + 1, ": ", items[i]);
    }


    writefln("Item %d:%9.02f", i + 1, items[i]);


    writefln("Binary     : %b", value);
    writefln("Octal      : %o", value);
    writefln("Hexadecimal: %x", value);
    writefln("Decimal    : %d", value);


    double value = 123.456789;

    writefln("with e: %e", value);
    writefln("with f: %f", value);
    writefln("with g: %g", value);
    writefln("with a: %a", value);


    bool b = true;
    int i = 365;
    double d = 9.87;
    string s = "formatted";
    auto o = File("test_file", "r");
    int[] a = [ 2, 4, 6, 8 ];

    writefln("bool  : %s", b);
    writefln("int   : %s", i);
    writefln("double: %s", d);
    writefln("string: %s", s);
    writefln("object: %s", o);
    writefln("array : %s", a);


    int value = 100;

    writefln("In a field of 10 characters:%10s", value);
    writefln("In a field of 5 characters :%5s", value);


    double value = 1234.56789;

    writefln("%.8g", value);
    writefln("%.3g", value);
    writefln("%.8f", value);
    writefln("%.3f", value);


    auto number = 0.123456789;
    writefln("Number: %.*g", 4, number);


    int value = 123;

    writefln("Normally right-aligned:|%10d|", value);
    writefln("Left-aligned:|%-10d|", value);


    writefln("No effect for negative values    : %+d", -50);
    writefln("Positive value with the + flag   : %+d", 50);
    writefln("Positive value without the + flag: %d", 50);



    writefln("Octal starts with 0               : %#o", 1000);
    writefln("Hexadecimal starts with 0x        : %#x", 1000);
    writefln("Contains dot even when unnecessary: %#g", 1f);
    writefln("Rightmost zeros are printed       : %#g", 1.2);



    writefln("In a field of 8 characters: %08d", 42);



    writefln("No effect for negative values: % d", -34);
    writefln("Positive value with space    : % d", 56);
    writefln("Positive value without space : %d", 56);


    writefln("%1$d %1$x %1$o %1$b", 42);


    writefln("There are %s students in room %s.", count, room);


    auto format = (language == "en"
                       ? "There are %s students in room %s."
                       : "%s студентов присутствует в аудитории %s.");

    writefln(format, count, room);



    auto format = (language == "en"
                       ? "There are %1$s students in room %2$s."
                       : "В аудитории %2$s присутствует %1$s студентов.");

    writefln(format, count, room);



    import std.stdio;
    import std.string;

    void main()
    {
        write("Как вас зовут? ");
        auto name = chomp(readln());
        auto result = format("Привет %s!", name);
    }