Web1 day ago · I'm looking for tips on how to use boost::geometry with geographic coordinates. When I try to use any algorithm (area,sym_difference, etc.) I get the assertion not implemented for this type.I should probably use the strategy version, but I can't find information on how to use it. WebNotable features of boost::variant include: Full value semantics, including adherence to standard overload resolution rules for conversion operations. Compile-time type-safe value visitation via boost::apply_visitor. Run-time checked explicit value retrieval via boost::get.
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WebThe Adobe Source Libraries has an adobe::any_regular_ttype that functions much like boost::any. Latest versions of the library can be found on GitHub. From the documentation: any_regular_t differs from boost::any in several ways: any_regular_t models EqualityComparable, fully modeling a Regular. any_regular_t supports type promotion. WebJan 13, 2014 · We will see an another form of value-semantic type erasure: boost::any, and try to compare the different methods. Value-semantic, type-aware “anything” In C we have an old good way of representing just any type: void*, but it is often not good enough in C++ for at least two reasons. curtis and windham architects houston
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WebThe boost::any class just stores any value in it. To achieve this, it uses the type erasure technique (close to what Java or C# does with all types). To use this library you do not really need to know its internal implementation in detail, but here's a quick glance at the type erasure technique for the curious. Webgeometry1. A model of the specified concept. Geometry2 const &. Any type fulfilling a Geometry Concept. geometry2. A model of the specified concept. Collection &. output collection, either a multi-geometry, or a std::vector / std::deque etc. output_collection. WebDescription. Geometry const &. Any type fulfilling a Geometry Concept. geometry. A model of the specified concept. Strategy const &. Any type fulfilling a Is_simple Strategy Concept. strategy. The strategy which will be used for is_simple calculations. curtis anton beseda