[boost] [iostreams] BidirectionalSeekable

From: David Abrahams (dave_at_[hidden])
Date: 2006-02-01 18:13:06

I note the following requirement:

  BidirectionalSeekableDevice  	
    Refinement of Device with mode convertible to bidirectional_seekable

That seems wrong to me.  Shouldn't it be 

    Refinement of Device with mode convertible to both bidirectional
    and to seekable

?

Or is a device that is both seekable and bidirectional not always also
bidirectional_seekable?  Is that some further refinement?

-- 
Dave Abrahams
Boost Consulting
www.boost-consulting.com