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## Chapter 19. Boost.Tribool

### Douglas Gregor

`<dgregor -at- cs.indiana.edu>`

Copyright © 2002-2004 Douglas Gregor

Use, modification and distribution is subject to the Boost Software License, Version 1.0. (See accompanying file `LICENSE_1_0.txt` or copy at http://www.boost.org/LICENSE_1_0.txt)

## Introduction

The 3-state boolean library contains a single class, `boost::logic::tribool`, along with support functions and operator overloads that implement 3-state boolean logic.

Last revised: May 03, 2007 at 03:28:53 GMT |