1 files changed, 0 insertions, 94 deletions
diff --git a/src/third_party/boost-1.56.0/boost/spirit/home/classic/core/composite/optional.hpp b/src/third_party/boost-1.56.0/boost/spirit/home/classic/core/composite/optional.hpp
deleted file mode 100644
index 69e49f9a3a1..00000000000
--- a/src/third_party/boost-1.56.0/boost/spirit/home/classic/core/composite/optional.hpp
+++ /dev/null
@@ -1,94 +0,0 @@
-/*=============================================================================
-    Copyright (c) 1998-2003 Joel de Guzman
-    Copyright (c) 2001 Daniel Nuffer
-    Copyright (c) 2002 Hartmut Kaiser
-    http://spirit.sourceforge.net/
-
-  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)
-=============================================================================*/
-#if !defined(BOOST_SPIRIT_OPTIONAL_HPP)
-#define BOOST_SPIRIT_OPTIONAL_HPP
-
-#include <boost/spirit/home/classic/namespace.hpp>
-#include <boost/spirit/home/classic/core/parser.hpp>
-#include <boost/spirit/home/classic/core/primitives/primitives.hpp>
-#include <boost/spirit/home/classic/core/composite/composite.hpp>
-#include <boost/spirit/home/classic/meta/as_parser.hpp>
-
-namespace boost { namespace spirit {
-
-BOOST_SPIRIT_CLASSIC_NAMESPACE_BEGIN
-
-    ///////////////////////////////////////////////////////////////////////////
-    //
-    //  optional class
-    //
-    //      Handles expressions of the form:
-    //
-    //          !a
-    //
-    //      where a is a parser. The expression returns a composite
-    //      parser that matches its subject zero (0) or one (1) time.
-    //
-    ///////////////////////////////////////////////////////////////////////////
-    struct optional_parser_gen;
-    
-    template <typename S>
-    struct optional
-    :   public unary<S, parser<optional<S> > >
-    {
-        typedef optional<S>                 self_t;
-        typedef unary_parser_category       parser_category_t;
-        typedef optional_parser_gen         parser_generator_t;
-        typedef unary<S, parser<self_t> >   base_t;
-    
-        optional(S const& a)
-        : base_t(a) {}
-    
-        template <typename ScannerT>
-        typename parser_result<self_t, ScannerT>::type
-        parse(ScannerT const& scan) const
-        {
-            typedef typename parser_result<self_t, ScannerT>::type result_t;
-            typedef typename ScannerT::iterator_t iterator_t;
-            iterator_t save = scan.first;
-            if (result_t r = this->subject().parse(scan))
-            {
-                return r;
-            }
-            else
-            {
-                scan.first = save;
-                return scan.empty_match();
-            }
-        }
-    };
-    
-    struct optional_parser_gen
-    {
-        template <typename S>
-        struct result 
-        {
-            typedef optional<S> type;
-        };
-    
-        template <typename S>
-        static optional<S>
-        generate(parser<S> const& a)
-        {
-            return optional<S>(a.derived());
-        }
-    };
-    
-    template <typename S>
-    optional<S>
-    operator!(parser<S> const& a);
-
-BOOST_SPIRIT_CLASSIC_NAMESPACE_END
-
-}} // namespace BOOST_SPIRIT_CLASSIC_NS
-
-#endif
-
-#include <boost/spirit/home/classic/core/composite/impl/optional.ipp>