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function_base.hpp:

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function_template.hpp:
  - Removed implementation based on virtual functions. Such an implementation
    can't meet exception safety requirements made by the manager/invoker
    version.


[SVN r11726]
This commit is contained in:
Douglas Gregor
2001-11-19 14:52:04 +00:00
parent dd76ed757b
commit 3f13d39604
2 changed files with 10 additions and 368 deletions
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13
include/boost/function/function_base.hpp
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@ -138,7 +138,6 @@ namespace boost {
ptr_or_obj_tag>::type type;
};
#ifndef BOOST_FUNCTION_USE_VIRTUAL_FUNCTIONS
/**
* The functor_manager class contains a static function "manage" which
* can clone or destroy the given function/function object pointer.
@ -232,7 +231,6 @@ namespace boost {
return manager(functor_ptr, op, tag_type());
}
};
#endif // BOOST_FUNCTION_USE_VIRTUAL_FUNCTIONS
// value=1 if the given type is not "unusable"
template<typename T>
@ -278,16 +276,6 @@ namespace boost {
*/
class function_base
{
#ifdef BOOST_FUNCTION_USE_VIRTUAL_FUNCTIONS
public:
function_base() : impl(0) {}
bool empty() const { return impl == 0; }
protected:
void* impl; // Derived class is responsible for knowing the real type
#else
public:
function_base() : manager(0), functor(static_cast<void*>(0)) {}
@ -299,7 +287,6 @@ namespace boost {
detail::function::any_pointer,
detail::function::functor_manager_operation_type);
detail::function::any_pointer functor;
#endif // BOOST_FUNCTION_USE_VIRTUAL_FUNCTIONS
private:
struct dummy {