From: Gordon Thiesfeld <gthiesfeld@...>
Date: 2008-02-22T03:52:08+09:00
Subject: Re: Kernel#putc vs. $stdout#putc

On Wed, Feb 20, 2008 at 7:54 PM, Arlen Cuss <celtic@sairyx.org> wrote:

>  Not quite:
>
>  static VALUE
>  rb_f_putc(VALUE recv, VALUE ch)
>  {
>     return rb_io_putc(rb_stdout, ch);
>  }
>
>  Kernel#putc here passes to IO#putc anyway, which then (as you mention) uses
>  IO#write.
>

OK, here's why I'm confused.  In the code below, why isn't the output
of both of the putc methods 42?

class ChunkyIO < IO

  def putc(int)
    write '42'
  end

end

$stdout = ChunkyIO.new(1,'w')

putc ?K
puts
$stdout.putc ?K
puts

#outputs
K
42