Category: Adaptors
Component type: type
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Category: Adaptors |
Component type: type |
PairInternalEqualRange is an empty class: it has no member functions, member variables, or nested types. It is used solely as a "tag": a concept within the C++ type system. Specifically, it is used as argument to a container template to determin whether the container has a memeber find function or not. Its existence allows us to specialize the container_traits<> class to generate the appropriate typedefs for the match_element functor. It inherits from NoInternalFindElement because the member function find would find the key not the data.
Template <class K, class D, class H, class A> class
ContainerTrait <map<K,D,H,A> >
{
typedef PairInternalEqualRange FindType;
};
Defined in stl_traits.hpp.
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© 1999 Konrad-Zuse-Zentrum für Informationstechnik Berlin & Gary Powell All Rights Reserved.