__gnu_pbds::null_type(3) Library Functions Manual __gnu_pbds::null_type(3)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 210 of file tag_and_trait.hpp.
Author
Generated automatically by Doxygen for libstdc++ from the source code.
libstdc++ Tue Jun 10 2014 __gnu_pbds::null_type(3)
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__gnu_pbds::lu_move_to_front_policy< _Alloc >(3cxx) __gnu_pbds::lu_move_to_front_policy< _Alloc >(3cxx)
NAME
__gnu_pbds::lu_move_to_front_policy< _Alloc > -
SYNOPSIS
Public Types
typedef _Alloc allocator_type
typedef
__rebind_m::other::reference metadata_reference"
typedef null_type metadata_type
Public Member Functions
metadata_type operator() () const
bool operator() (metadata_reference r_metadata) const
Detailed Description
template<typename _Alloc = std::allocator<char>>class __gnu_pbds::lu_move_to_front_policy< _Alloc >
A list-update policy that unconditionally moves elements to the front of the list. A null type means that each link in a list-based
container does not actually need metadata.
Definition at line 58 of file list_update_policy.hpp.
Member Typedef Documentation
template<typename _Alloc = std::allocator<char>> typedef __rebind_m::other::reference __gnu_pbds::lu_move_to_front_policy< _Alloc
>::metadata_reference
Reference to metadata on which this functor operates.
Definition at line 71 of file list_update_policy.hpp.
template<typename _Alloc = std::allocator<char>> typedef null_type __gnu_pbds::lu_move_to_front_policy< _Alloc >::metadata_type
Metadata on which this functor operates.
Definition at line 64 of file list_update_policy.hpp.
Member Function Documentation
template<typename _Alloc = std::allocator<char>> metadata_type __gnu_pbds::lu_move_to_front_policy< _Alloc >::operator() () const [inline]
Creates a metadata object.
Definition at line 75 of file list_update_policy.hpp.
template<typename _Alloc = std::allocator<char>> bool __gnu_pbds::lu_move_to_front_policy< _Alloc >::operator() (metadata_referencer_metadata)
const [inline]
Decides whether a metadata object should be moved to the front of the list.
Definition at line 81 of file list_update_policy.hpp.
Author
Generated automatically by Doxygen for libstdc++ from the source code.
libstdc++ Sun Jan 6 2013 __gnu_pbds::lu_move_to_front_policy< _Alloc >(3cxx)
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