__gnu_pbds::null_type(3cxx)                                                          __gnu_pbds::null_type(3cxx)

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(3cxx)