io.c

Prints obj on the given port (default $>).
Equivalent to:

   def display(port=$>)
     port.write self
   end

For example:

   1.display
   "cat".display
   [ 4, 5, 6 ].display
   puts

produces:

   1cat456
static VALUE
rb_obj_display(int argc, VALUE *argv, VALUE self)
{
    VALUE out;

    if (argc == 0) {
    out = rb_stdout;
    }
    else {
    rb_scan_args(argc, argv, "01", &out);
    }
    rb_io_write(out, self);

    return Qnil;
}