NAME

       __gnu_pbds::null_type -

SYNOPSIS

       Inherited by __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.

       Definition at line 211 of file tag_and_trait.hpp.

Author

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