boost::openmethod::policies::vptr_map::fn::dynamic_vptr

Returns a reference to a v‐table pointer for an object.

Synopsis

Declared in <boost/openmethod/policies/vptr_map.hpp>

template<class Class>
static
vptr_type const&
dynamic_vptr(Class const& arg);

Description

Acquires the dynamic type_id of arg, using the registry's rtti policy.

If the registry contains the runtime_checks policy, checks that the map contains the type id. If it does not, and if the registry contains a error_handler policy, calls its error function with a missing_class value, then terminates the program with abort.

Return Value

A reference to a the v‐table pointer for Class.

Template Parameters

Name	Description
Class	A registered class.

Name

Description

Class

A registered class.

Parameters

Name Description

Name	Description
arg	A reference to a const object of type `Class`.

arg

A reference to a const object of type Class.

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