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## Struct logical_not

boost::proto::tag::logical_not — Tag type for the unary ! operator.

## Synopsis

    // In header: <boost/proto/tags.hpp>

    struct logical_not {
    };

| Copyright © 2008 Eric Niebler Distributed under 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)