__gnu_pbds::null_type(3)   Library Functions Manual   __gnu_pbds::null_type(3)

NAME
       __gnu_pbds::null_type - Represents no type, or absence of type, for
       template tricks.


SYNOPSIS
       #include <tag_and_trait.hpp>

       Inherited by __gnu_pbds::null_node_update< node_const_iterator,
       node_iterator, Cmp_Fn, _Alloc > *, __gnu_pbds::null_node_update<
       node_const_iterator, node_iterator, _ATraits, _Alloc > *,
       __gnu_pbds::null_node_update< node_const_iterator, node_const_iterator,
       _ATraits, _Alloc > *, __gnu_pbds::null_node_update< __it_type,
       __it_type, Cmp_Fn, _Alloc >, and __gnu_pbds::null_node_update< _Tp1,
       _Tp2, _Tp3, _Tp4 >.

Detailed Description
       Represents no type, or absence of type, for template tricks.

       In a mapped-policy, indicates that an associative container is a set.


       In a list-update policy, indicates that each link does not need
       metadata.


       In a hash policy, indicates that the combining hash function is
       actually a ranged hash function.


       In a probe policy, indicates that the combining probe function is
       actually a ranged probe function.


Author
       Generated automatically by Doxygen for libstdc++ from the source code.

                                   libstdc++          __gnu_pbds::null_type(3)