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support for opaque types

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Wenzel Jakob
2016-03-15 15:05:40 +01:00
parent a3e34f4a5f
commit eda978e003
7 changed files with 120 additions and 1 deletions
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15
include/pybind11/cast.h
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@@ -17,6 +17,21 @@
#include <limits>
NAMESPACE_BEGIN(pybind11)
/// Thin wrapper type used to treat certain data types as opaque (e.g. STL vectors, etc.)
template <typename Type> class opaque {
public:
template <typename... Args> opaque(Args&&... args) : value(std::forward<Args>(args)...) { }
operator Type&() { return value; }
operator const Type&() const { return value; }
operator Type*() { return &value; }
operator const Type*() const { return &value; }
Type* operator->() { return &value; }
const Type* operator->() const { return &value; }
private:
Type value;
};
NAMESPACE_BEGIN(detail)
/// Additional type information which does not fit into the PyTypeObject