...been

```
    void opAssign()(auto ref S rhs)
    {
        writefln("Assigning %s, count(%s) to %s, count...

...copyConstructed;
        ++count.refCount;
        writefln("Copy Constructing: %s, count(%s)", i, count);
    }

    ~this()
    {
        writefln("Destroying: %s...

...STEP2
struct//*/
Foo {
  this(int i) {
    i.writefln!"Object %s is created...";
  }
  ~this() {
  writeln("Object...

...variant;
void main()
{
    T u; R v;
    writefln("%d : %d", u.sizeof,
          (true ? u : v...

...SUCCESS)
    {
        pam_strerror(pamh, retval).to!string.writefln!"pam_start: %s";
        return 1;
    }

    retval = pam...

...toStringz, &conv, &pamh);
    if (retval != PAM_SUCCESS) {
        writefln("pam_start: %s", pam_strerror(pamh, retval...

...auto ref Args args) {
    import std: forward, writefln;
    import std.datetime.stopwatch: StopWatch, AutoStart;
    auto...

...captures[1];
    string value = matches.captures[2];
    writefln("\"%s\": %s", key, value);
    Item[key] = value...

...assert(echo2("T $i, b, ${i-2}") == "writefln(\"T \", i, \", b, \", (i-2));\n");
```

It...

...can use separators using writefln:

```d
writefln("%,d", 123987); // 123,987
writefln("%,?d", '_', 123987); // 123...