Used to iterate over nullptr entries in a container. More...

#include <multi_predicates.h>

Inheritance diagram for libMesh::Predicates::IsNull< T >:

Public Member Functions
	IsNull ()

virtual bool	operator() (const T &it) const

Protected Member Functions
void	deep_copy (const abstract_multi_predicate &rhs)

Protected Attributes
std::vector< pred_ptr< T > >	_predicates

Detailed Description

template<typename T>
struct libMesh::Predicates::IsNull< T >

Used to iterate over nullptr entries in a container.

Definition at line 162 of file multi_predicates.h.

Constructor & Destructor Documentation

◆ IsNull()

template<typename T >

libMesh::Predicates::IsNull< T >::IsNull ( )

inline

Definition at line 164 of file multi_predicates.h.

           : abstract_multi_predicate<T>(make_vec<pred_ptr<T>>(
  {
    std::make_unique<is_null<T>>()
  })) {}

Member Function Documentation

◆ deep_copy()

template<typename T >

void libMesh::Predicates::abstract_multi_predicate< T >::deep_copy ( const abstract_multi_predicate< T > & rhs )

inlineprotectedinherited

Definition at line 108 of file multi_predicates.h.

  {
    // First clear out the predicates vector
    _predicates.clear();
 
    for (const auto & p : rhs._predicates)
      _predicates.push_back(p->clone());
  }

References libMesh::Predicates::abstract_multi_predicate< T >::_predicates.

Referenced by libMesh::Predicates::abstract_multi_predicate< T >::abstract_multi_predicate(), and libMesh::Predicates::abstract_multi_predicate< T >::operator=().

◆ operator()()

template<typename T >

virtual bool libMesh::Predicates::abstract_multi_predicate< T >::operator() ( const T & it ) const

inlinevirtualinherited

Definition at line 77 of file multi_predicates.h.

  {
    for (const auto & pred : _predicates)
      {
        libmesh_assert (pred);
 
        if (!(*pred)(it))
          return false;
      }
 
    return true;
  }