cache.d

import std.stdio, core.stdc.stdlib;

void main()
{
}

/+
  cache
+/
static struct cache
{
  static File file;

  /+
    opCall
  +/
  static opCall(T...)(T args) if (!is(typeof(args[0]) == File))
  {
    if (!file.isOpen)
      file = stdout;

    return file == stdout || file == stderr ? opCall!(true)(file, args) : opCall(file, args);
  }

  /+
    opCall
  +/
  static opCall(bool std = false, T...)(File file, T args)
  {
    static if (!is(typeof(args[0]) == string))
      file.writeln (args);

    else
      file.writefln(args);

    if (file != stdout && file != stderr)
      file.flush();

    static if (!std) { writeln("hello"); file.flush(); }
    return (ubyte code = 1) => exit(code);
  }
}