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Don't fail environmental check if README.md exists (but .txt and no-suffix don't)
author Chris Cannam
date Tue, 30 Jul 2019 12:25:44 +0100
parents c530137014c0
children
rev   line source
Chris@16 1 ///////////////////////////////////////////////////////////////////////////////
Chris@16 2 /// \file operators.hpp
Chris@16 3 /// Contains all the overloaded operators that make it possible to build
Chris@16 4 /// Proto expression trees.
Chris@16 5 //
Chris@16 6 // Copyright 2008 Eric Niebler. Distributed under the Boost
Chris@16 7 // Software License, Version 1.0. (See accompanying file
Chris@16 8 // LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
Chris@16 9
Chris@16 10 #ifndef BOOST_PROTO_OPERATORS_HPP_EAN_04_01_2005
Chris@16 11 #define BOOST_PROTO_OPERATORS_HPP_EAN_04_01_2005
Chris@16 12
Chris@16 13 #include <boost/config.hpp>
Chris@16 14 #include <boost/preprocessor/punctuation/comma.hpp>
Chris@16 15 #include <boost/mpl/logical.hpp>
Chris@16 16 #include <boost/utility/enable_if.hpp>
Chris@16 17 #include <boost/proto/proto_fwd.hpp>
Chris@16 18 #include <boost/proto/tags.hpp>
Chris@16 19 #include <boost/proto/domain.hpp>
Chris@16 20 #include <boost/proto/matches.hpp>
Chris@16 21 #include <boost/proto/generate.hpp>
Chris@16 22 #include <boost/proto/make_expr.hpp>
Chris@16 23
Chris@101 24 #if defined(_MSC_VER)
Chris@16 25 # pragma warning(push)
Chris@16 26 # pragma warning(disable : 4714) // function 'xxx' marked as __forceinline not inlined
Chris@16 27 #endif
Chris@16 28
Chris@16 29 namespace boost { namespace proto
Chris@16 30 {
Chris@16 31 namespace detail
Chris@16 32 {
Chris@16 33 template<typename MakeExpr, typename Grammar>
Chris@16 34 struct lazy_matches
Chris@16 35 : proto::matches<typename MakeExpr::type, Grammar>
Chris@16 36 {};
Chris@16 37
Chris@16 38 template<typename Domain, typename Grammar, typename Trait, typename Tag, typename Arg>
Chris@16 39 struct enable_unary
Chris@16 40 : boost::lazy_enable_if_c<
Chris@16 41 boost::mpl::and_<
Chris@16 42 Trait
Chris@16 43 , lazy_matches<result_of::make_expr<Tag, basic_default_domain, Arg>, Grammar>
Chris@16 44 >::value
Chris@16 45 , result_of::make_expr<Tag, Domain, Arg>
Chris@16 46 >
Chris@16 47 {};
Chris@16 48
Chris@16 49 template<typename Domain, typename Trait, typename Tag, typename Arg>
Chris@16 50 struct enable_unary<Domain, proto::_, Trait, Tag, Arg &>
Chris@16 51 : boost::lazy_enable_if_c<
Chris@16 52 Trait::value
Chris@16 53 , result_of::make_expr<Tag, Domain, Arg &>
Chris@16 54 >
Chris@16 55 {};
Chris@16 56
Chris@16 57 template<typename Trait, typename Tag, typename Arg>
Chris@16 58 struct enable_unary<deduce_domain, not_a_grammar, Trait, Tag, Arg &>
Chris@16 59 : enable_unary<
Chris@16 60 typename domain_of<Arg>::type
Chris@16 61 , typename domain_of<Arg>::type::proto_grammar
Chris@16 62 , Trait
Chris@16 63 , Tag
Chris@16 64 , Arg &
Chris@16 65 >
Chris@16 66 {};
Chris@16 67
Chris@16 68 template<typename Domain, typename Grammar, typename Trait, typename Tag, typename Left, typename Right>
Chris@16 69 struct enable_binary
Chris@16 70 : boost::lazy_enable_if_c<
Chris@16 71 boost::mpl::and_<
Chris@16 72 Trait
Chris@16 73 , lazy_matches<result_of::make_expr<Tag, basic_default_domain, Left, Right>, Grammar>
Chris@16 74 >::value
Chris@16 75 , result_of::make_expr<Tag, Domain, Left, Right>
Chris@16 76 >
Chris@16 77 {};
Chris@16 78
Chris@16 79 template<typename Domain, typename Trait, typename Tag, typename Left, typename Right>
Chris@16 80 struct enable_binary<Domain, proto::_, Trait, Tag, Left &, Right &>
Chris@16 81 : boost::lazy_enable_if_c<
Chris@16 82 Trait::value
Chris@16 83 , result_of::make_expr<Tag, Domain, Left &, Right &>
Chris@16 84 >
Chris@16 85 {};
Chris@16 86
Chris@16 87 template<typename Trait, typename Tag, typename Left, typename Right>
Chris@16 88 struct enable_binary<deduce_domain, not_a_grammar, Trait, Tag, Left &, Right &>
Chris@16 89 : enable_binary<
Chris@16 90 typename deduce_domain2<Left, Right>::type
Chris@16 91 , typename deduce_domain2<Left, Right>::type::proto_grammar
Chris@16 92 , Trait
Chris@16 93 , Tag
Chris@16 94 , Left &
Chris@16 95 , Right &
Chris@16 96 >
Chris@16 97 {};
Chris@16 98
Chris@16 99 } // detail
Chris@16 100
Chris@16 101 #define BOOST_PROTO_UNARY_OP_IS_POSTFIX_0
Chris@16 102 #define BOOST_PROTO_UNARY_OP_IS_POSTFIX_1 , int
Chris@16 103
Chris@16 104 #ifdef BOOST_NO_CXX11_RVALUE_REFERENCES
Chris@16 105
Chris@16 106 #define BOOST_PROTO_DEFINE_UNARY_OPERATOR(OP, TAG, TRAIT, DOMAIN, POST) \
Chris@16 107 template<typename Arg> \
Chris@16 108 BOOST_PROTO_DISABLE_MSVC_C4714 BOOST_FORCEINLINE \
Chris@16 109 typename boost::proto::detail::enable_unary< \
Chris@16 110 DOMAIN \
Chris@16 111 , DOMAIN::proto_grammar \
Chris@16 112 , BOOST_PROTO_APPLY_UNARY_(TRAIT, Arg) \
Chris@16 113 , TAG \
Chris@16 114 , Arg & \
Chris@16 115 >::type const \
Chris@16 116 operator OP(Arg &arg BOOST_PROTO_UNARY_OP_IS_POSTFIX_ ## POST) \
Chris@16 117 { \
Chris@16 118 return boost::proto::detail::make_expr_<TAG, DOMAIN, Arg &>()(arg); \
Chris@16 119 } \
Chris@16 120 \
Chris@16 121 template<typename Arg> \
Chris@16 122 BOOST_PROTO_DISABLE_MSVC_C4714 BOOST_FORCEINLINE \
Chris@16 123 typename boost::proto::detail::enable_unary< \
Chris@16 124 DOMAIN \
Chris@16 125 , DOMAIN::proto_grammar \
Chris@16 126 , BOOST_PROTO_APPLY_UNARY_(TRAIT, Arg) \
Chris@16 127 , TAG \
Chris@16 128 , Arg const & \
Chris@16 129 >::type const \
Chris@16 130 operator OP(Arg const &arg BOOST_PROTO_UNARY_OP_IS_POSTFIX_ ## POST) \
Chris@16 131 { \
Chris@16 132 return boost::proto::detail::make_expr_<TAG, DOMAIN, Arg const &>()(arg); \
Chris@16 133 } \
Chris@16 134 /**/
Chris@16 135
Chris@16 136 #define BOOST_PROTO_DEFINE_BINARY_OPERATOR(OP, TAG, TRAIT, DOMAIN) \
Chris@16 137 template<typename Left, typename Right> \
Chris@16 138 BOOST_PROTO_DISABLE_MSVC_C4714 BOOST_FORCEINLINE \
Chris@16 139 typename boost::proto::detail::enable_binary< \
Chris@16 140 DOMAIN \
Chris@16 141 , DOMAIN::proto_grammar \
Chris@16 142 , BOOST_PROTO_APPLY_BINARY_(TRAIT, Left, Right) \
Chris@16 143 , TAG \
Chris@16 144 , Left & \
Chris@16 145 , Right & \
Chris@16 146 >::type const \
Chris@16 147 operator OP(Left &left, Right &right) \
Chris@16 148 { \
Chris@16 149 return boost::proto::detail::make_expr_<TAG, DOMAIN, Left &, Right &>()(left, right); \
Chris@16 150 } \
Chris@16 151 \
Chris@16 152 template<typename Left, typename Right> \
Chris@16 153 BOOST_PROTO_DISABLE_MSVC_C4714 BOOST_FORCEINLINE \
Chris@16 154 typename boost::proto::detail::enable_binary< \
Chris@16 155 DOMAIN \
Chris@16 156 , DOMAIN::proto_grammar \
Chris@16 157 , BOOST_PROTO_APPLY_BINARY_(TRAIT, Left, Right) \
Chris@16 158 , TAG \
Chris@16 159 , Left & \
Chris@16 160 , Right const & \
Chris@16 161 >::type const \
Chris@16 162 operator OP(Left &left, Right const &right) \
Chris@16 163 { \
Chris@16 164 return boost::proto::detail::make_expr_<TAG, DOMAIN, Left &, Right const &>()(left, right); \
Chris@16 165 } \
Chris@16 166 \
Chris@16 167 template<typename Left, typename Right> \
Chris@16 168 BOOST_PROTO_DISABLE_MSVC_C4714 BOOST_FORCEINLINE \
Chris@16 169 typename boost::proto::detail::enable_binary< \
Chris@16 170 DOMAIN \
Chris@16 171 , DOMAIN::proto_grammar \
Chris@16 172 , BOOST_PROTO_APPLY_BINARY_(TRAIT, Left, Right) \
Chris@16 173 , TAG \
Chris@16 174 , Left const & \
Chris@16 175 , Right & \
Chris@16 176 >::type const \
Chris@16 177 operator OP(Left const &left, Right &right) \
Chris@16 178 { \
Chris@16 179 return boost::proto::detail::make_expr_<TAG, DOMAIN, Left const &, Right &>()(left, right); \
Chris@16 180 } \
Chris@16 181 \
Chris@16 182 template<typename Left, typename Right> \
Chris@16 183 BOOST_PROTO_DISABLE_MSVC_C4714 BOOST_FORCEINLINE \
Chris@16 184 typename boost::proto::detail::enable_binary< \
Chris@16 185 DOMAIN \
Chris@16 186 , DOMAIN::proto_grammar \
Chris@16 187 , BOOST_PROTO_APPLY_BINARY_(TRAIT, Left, Right) \
Chris@16 188 , TAG \
Chris@16 189 , Left const & \
Chris@16 190 , Right const & \
Chris@16 191 >::type const \
Chris@16 192 operator OP(Left const &left, Right const &right) \
Chris@16 193 { \
Chris@16 194 return boost::proto::detail::make_expr_<TAG, DOMAIN, Left const &, Right const &>()(left, right);\
Chris@16 195 } \
Chris@16 196 /**/
Chris@16 197
Chris@16 198 #else
Chris@16 199
Chris@16 200 #define BOOST_PROTO_DEFINE_UNARY_OPERATOR(OP, TAG, TRAIT, DOMAIN, POST) \
Chris@16 201 template<typename Arg> \
Chris@16 202 BOOST_PROTO_DISABLE_MSVC_C4714 BOOST_FORCEINLINE \
Chris@16 203 typename boost::proto::detail::enable_unary< \
Chris@16 204 DOMAIN \
Chris@16 205 , DOMAIN::proto_grammar \
Chris@16 206 , BOOST_PROTO_APPLY_UNARY_(TRAIT, Arg) \
Chris@16 207 , TAG \
Chris@16 208 , Arg const & \
Chris@16 209 >::type const \
Chris@16 210 operator OP(Arg &&arg BOOST_PROTO_UNARY_OP_IS_POSTFIX_ ## POST) \
Chris@16 211 { \
Chris@16 212 return boost::proto::detail::make_expr_<TAG, DOMAIN, Arg const &>()(arg); \
Chris@16 213 } \
Chris@16 214 /**/
Chris@16 215
Chris@16 216 #define BOOST_PROTO_DEFINE_BINARY_OPERATOR(OP, TAG, TRAIT, DOMAIN) \
Chris@16 217 template<typename Left, typename Right> \
Chris@16 218 BOOST_PROTO_DISABLE_MSVC_C4714 BOOST_FORCEINLINE \
Chris@16 219 typename boost::proto::detail::enable_binary< \
Chris@16 220 DOMAIN \
Chris@16 221 , DOMAIN::proto_grammar \
Chris@16 222 , BOOST_PROTO_APPLY_BINARY_(TRAIT, Left, Right) \
Chris@16 223 , TAG \
Chris@16 224 , Left const & \
Chris@16 225 , Right const & \
Chris@16 226 >::type const \
Chris@16 227 operator OP(Left &&left, Right &&right) \
Chris@16 228 { \
Chris@16 229 return boost::proto::detail::make_expr_<TAG, DOMAIN, Left const &, Right const &>()(left, right);\
Chris@16 230 } \
Chris@16 231 /**/
Chris@16 232
Chris@16 233 #endif
Chris@16 234
Chris@16 235 #define BOOST_PROTO_DEFINE_OPERATORS(TRAIT, DOMAIN) \
Chris@16 236 BOOST_PROTO_DEFINE_UNARY_OPERATOR(+, boost::proto::tag::unary_plus, TRAIT, DOMAIN, 0) \
Chris@16 237 BOOST_PROTO_DEFINE_UNARY_OPERATOR(-, boost::proto::tag::negate, TRAIT, DOMAIN, 0) \
Chris@16 238 BOOST_PROTO_DEFINE_UNARY_OPERATOR(*, boost::proto::tag::dereference, TRAIT, DOMAIN, 0) \
Chris@16 239 BOOST_PROTO_DEFINE_UNARY_OPERATOR(~, boost::proto::tag::complement, TRAIT, DOMAIN, 0) \
Chris@16 240 BOOST_PROTO_DEFINE_UNARY_OPERATOR(&, boost::proto::tag::address_of, TRAIT, DOMAIN, 0) \
Chris@16 241 BOOST_PROTO_DEFINE_UNARY_OPERATOR(!, boost::proto::tag::logical_not, TRAIT, DOMAIN, 0) \
Chris@16 242 BOOST_PROTO_DEFINE_UNARY_OPERATOR(++, boost::proto::tag::pre_inc, TRAIT, DOMAIN, 0) \
Chris@16 243 BOOST_PROTO_DEFINE_UNARY_OPERATOR(--, boost::proto::tag::pre_dec, TRAIT, DOMAIN, 0) \
Chris@16 244 BOOST_PROTO_DEFINE_UNARY_OPERATOR(++, boost::proto::tag::post_inc, TRAIT, DOMAIN, 1) \
Chris@16 245 BOOST_PROTO_DEFINE_UNARY_OPERATOR(--, boost::proto::tag::post_dec, TRAIT, DOMAIN, 1) \
Chris@16 246 BOOST_PROTO_DEFINE_BINARY_OPERATOR(<<, boost::proto::tag::shift_left, TRAIT, DOMAIN) \
Chris@16 247 BOOST_PROTO_DEFINE_BINARY_OPERATOR(>>, boost::proto::tag::shift_right, TRAIT, DOMAIN) \
Chris@16 248 BOOST_PROTO_DEFINE_BINARY_OPERATOR(*, boost::proto::tag::multiplies, TRAIT, DOMAIN) \
Chris@16 249 BOOST_PROTO_DEFINE_BINARY_OPERATOR(/, boost::proto::tag::divides, TRAIT, DOMAIN) \
Chris@16 250 BOOST_PROTO_DEFINE_BINARY_OPERATOR(%, boost::proto::tag::modulus, TRAIT, DOMAIN) \
Chris@16 251 BOOST_PROTO_DEFINE_BINARY_OPERATOR(+, boost::proto::tag::plus, TRAIT, DOMAIN) \
Chris@16 252 BOOST_PROTO_DEFINE_BINARY_OPERATOR(-, boost::proto::tag::minus, TRAIT, DOMAIN) \
Chris@16 253 BOOST_PROTO_DEFINE_BINARY_OPERATOR(<, boost::proto::tag::less, TRAIT, DOMAIN) \
Chris@16 254 BOOST_PROTO_DEFINE_BINARY_OPERATOR(>, boost::proto::tag::greater, TRAIT, DOMAIN) \
Chris@16 255 BOOST_PROTO_DEFINE_BINARY_OPERATOR(<=, boost::proto::tag::less_equal, TRAIT, DOMAIN) \
Chris@16 256 BOOST_PROTO_DEFINE_BINARY_OPERATOR(>=, boost::proto::tag::greater_equal, TRAIT, DOMAIN) \
Chris@16 257 BOOST_PROTO_DEFINE_BINARY_OPERATOR(==, boost::proto::tag::equal_to, TRAIT, DOMAIN) \
Chris@16 258 BOOST_PROTO_DEFINE_BINARY_OPERATOR(!=, boost::proto::tag::not_equal_to, TRAIT, DOMAIN) \
Chris@16 259 BOOST_PROTO_DEFINE_BINARY_OPERATOR(||, boost::proto::tag::logical_or, TRAIT, DOMAIN) \
Chris@16 260 BOOST_PROTO_DEFINE_BINARY_OPERATOR(&&, boost::proto::tag::logical_and, TRAIT, DOMAIN) \
Chris@16 261 BOOST_PROTO_DEFINE_BINARY_OPERATOR(&, boost::proto::tag::bitwise_and, TRAIT, DOMAIN) \
Chris@16 262 BOOST_PROTO_DEFINE_BINARY_OPERATOR(|, boost::proto::tag::bitwise_or, TRAIT, DOMAIN) \
Chris@16 263 BOOST_PROTO_DEFINE_BINARY_OPERATOR(^, boost::proto::tag::bitwise_xor, TRAIT, DOMAIN) \
Chris@16 264 BOOST_PROTO_DEFINE_BINARY_OPERATOR(BOOST_PP_COMMA(), boost::proto::tag::comma, TRAIT, DOMAIN) \
Chris@16 265 BOOST_PROTO_DEFINE_BINARY_OPERATOR(->*, boost::proto::tag::mem_ptr, TRAIT, DOMAIN) \
Chris@16 266 BOOST_PROTO_DEFINE_BINARY_OPERATOR(<<=, boost::proto::tag::shift_left_assign, TRAIT, DOMAIN) \
Chris@16 267 BOOST_PROTO_DEFINE_BINARY_OPERATOR(>>=, boost::proto::tag::shift_right_assign, TRAIT, DOMAIN) \
Chris@16 268 BOOST_PROTO_DEFINE_BINARY_OPERATOR(*=, boost::proto::tag::multiplies_assign, TRAIT, DOMAIN) \
Chris@16 269 BOOST_PROTO_DEFINE_BINARY_OPERATOR(/=, boost::proto::tag::divides_assign, TRAIT, DOMAIN) \
Chris@16 270 BOOST_PROTO_DEFINE_BINARY_OPERATOR(%=, boost::proto::tag::modulus_assign, TRAIT, DOMAIN) \
Chris@16 271 BOOST_PROTO_DEFINE_BINARY_OPERATOR(+=, boost::proto::tag::plus_assign, TRAIT, DOMAIN) \
Chris@16 272 BOOST_PROTO_DEFINE_BINARY_OPERATOR(-=, boost::proto::tag::minus_assign, TRAIT, DOMAIN) \
Chris@16 273 BOOST_PROTO_DEFINE_BINARY_OPERATOR(&=, boost::proto::tag::bitwise_and_assign, TRAIT, DOMAIN) \
Chris@16 274 BOOST_PROTO_DEFINE_BINARY_OPERATOR(|=, boost::proto::tag::bitwise_or_assign, TRAIT, DOMAIN) \
Chris@16 275 BOOST_PROTO_DEFINE_BINARY_OPERATOR(^=, boost::proto::tag::bitwise_xor_assign, TRAIT, DOMAIN) \
Chris@16 276 /**/
Chris@16 277
Chris@16 278 // Extensions are a superset of Proto expressions
Chris@16 279 template<typename T>
Chris@16 280 struct is_extension
Chris@16 281 : is_expr<T>
Chris@16 282 {};
Chris@16 283
Chris@16 284 template<typename T>
Chris@16 285 struct is_extension<T &>
Chris@16 286 : is_expr<T>
Chris@16 287 {};
Chris@16 288
Chris@16 289 #define BOOST_PROTO_APPLY_UNARY_(TRAIT, ARG) TRAIT<ARG>
Chris@16 290 #define BOOST_PROTO_APPLY_BINARY_(TRAIT, LEFT, RIGHT) boost::mpl::or_<TRAIT<LEFT>, TRAIT<RIGHT> >
Chris@16 291
Chris@16 292 namespace exprns_
Chris@16 293 {
Chris@16 294 // This defines all of Proto's built-in free operator overloads
Chris@16 295 BOOST_PROTO_DEFINE_OPERATORS(is_extension, deduce_domain)
Chris@16 296
Chris@16 297 // if_else, for the non-overloadable ternary conditional operator ?:
Chris@16 298 template<typename A0, typename A1, typename A2>
Chris@16 299 BOOST_FORCEINLINE
Chris@16 300 typename result_of::make_expr<
Chris@16 301 tag::if_else_
Chris@16 302 , deduce_domain
Chris@16 303 , A0 const &
Chris@16 304 , A1 const &
Chris@16 305 , A2 const &
Chris@16 306 >::type const
Chris@16 307 if_else(A0 const &a0, A1 const &a1, A2 const &a2)
Chris@16 308 {
Chris@16 309 return proto::detail::make_expr_<
Chris@16 310 tag::if_else_
Chris@16 311 , deduce_domain
Chris@16 312 , A0 const &
Chris@16 313 , A1 const &
Chris@16 314 , A2 const &
Chris@16 315 >()(a0, a1, a2);
Chris@16 316 }
Chris@16 317 }
Chris@16 318
Chris@16 319 using exprns_::if_else;
Chris@16 320
Chris@16 321 #undef BOOST_PROTO_APPLY_UNARY_
Chris@16 322 #undef BOOST_PROTO_APPLY_BINARY_
Chris@16 323
Chris@16 324 // Redefine BOOST_PROTO_APPLY_UNARY_ and BOOST_PROTO_APPLY_BINARY_ so that end users
Chris@16 325 // can use BOOST_PROTO_DEFINE_OPERATORS to define Proto operator overloads that work
Chris@16 326 // with their own terminal types.
Chris@16 327
Chris@16 328 #ifdef BOOST_NO_CXX11_RVALUE_REFERENCES
Chris@16 329
Chris@16 330 #define BOOST_PROTO_APPLY_UNARY_(TRAIT, ARG) \
Chris@16 331 boost::mpl::and_< \
Chris@16 332 TRAIT<ARG> \
Chris@16 333 , boost::mpl::not_<boost::proto::is_extension<ARG> > \
Chris@16 334 > \
Chris@16 335 /**/
Chris@16 336
Chris@16 337 #define BOOST_PROTO_APPLY_BINARY_(TRAIT, LEFT, RIGHT) \
Chris@16 338 boost::mpl::and_< \
Chris@16 339 boost::mpl::or_<TRAIT<LEFT>, TRAIT<RIGHT> > \
Chris@16 340 , boost::mpl::not_< \
Chris@16 341 boost::mpl::or_< \
Chris@16 342 boost::proto::is_extension<LEFT> \
Chris@16 343 , boost::proto::is_extension<RIGHT> \
Chris@16 344 > \
Chris@16 345 > \
Chris@16 346 > \
Chris@16 347 /**/
Chris@16 348
Chris@16 349 #else
Chris@16 350
Chris@16 351 #define BOOST_PROTO_APPLY_UNARY_(TRAIT, ARG) \
Chris@16 352 boost::mpl::and_< \
Chris@16 353 TRAIT<BOOST_PROTO_UNCVREF(ARG) > \
Chris@16 354 , boost::mpl::not_<boost::proto::is_extension<ARG> > \
Chris@16 355 > \
Chris@16 356 /**/
Chris@16 357
Chris@16 358 #define BOOST_PROTO_APPLY_BINARY_(TRAIT, LEFT, RIGHT) \
Chris@16 359 boost::mpl::and_< \
Chris@16 360 boost::mpl::or_<TRAIT<BOOST_PROTO_UNCVREF(LEFT) >, TRAIT<BOOST_PROTO_UNCVREF(RIGHT) > > \
Chris@16 361 , boost::mpl::not_< \
Chris@16 362 boost::mpl::or_< \
Chris@16 363 boost::proto::is_extension<LEFT> \
Chris@16 364 , boost::proto::is_extension<RIGHT> \
Chris@16 365 > \
Chris@16 366 > \
Chris@16 367 > \
Chris@16 368 /**/
Chris@16 369
Chris@16 370 #endif
Chris@16 371
Chris@16 372 }}
Chris@16 373
Chris@101 374 #if defined(_MSC_VER)
Chris@16 375 # pragma warning(pop)
Chris@16 376 #endif
Chris@16 377
Chris@16 378 #endif