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38 lines
1 KiB
C++
38 lines
1 KiB
C++
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#ifndef SPROUT_WEED_OPERATOR_LOGICAL_NOT_HPP
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#define SPROUT_WEED_OPERATOR_LOGICAL_NOT_HPP
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#include <type_traits>
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#include <sprout/config.hpp>
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#include <sprout/utility/forward.hpp>
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#include <sprout/weed/expr/tag.hpp>
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#include <sprout/weed/expr/make_expr.hpp>
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#include <sprout/weed/traits/expr/expr_of.hpp>
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#include <sprout/weed/traits/parser/is_parser.hpp>
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#include <sprout/weed/detail/uncvref.hpp>
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namespace sprout {
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namespace weed {
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//
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// operator!
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//
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template<
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typename Arg,
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typename = typename std::enable_if<
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sprout::weed::traits::is_parser<
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typename sprout::weed::detail::uncvref<Arg>::type
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>::value
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>::type
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>
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SPROUT_CONSTEXPR inline typename sprout::weed::traits::expr_of<
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sprout::weed::tag::logical_not,
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Arg
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>::type operator!(Arg&& arg) {
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return sprout::weed::make_expr<sprout::weed::tag::logical_not>(
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sprout::forward<Arg>(arg)
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);
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}
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} // namespace weed
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} // namespace sprout
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#endif // #ifndef SPROUT_WEED_OPERATOR_LOGICAL_NOT_HPP
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