std::hash< RexInput > Struct Template Reference

#include <RelAlgDagBuilder.h>

Public Member Functions
size_t	operator() (const RexInput &rex_in) const

Detailed Description

template<>
struct std::hash< RexInput >

Definition at line 353 of file RelAlgDagBuilder.h.

Member Function Documentation

operator()()

size_t std::hash< RexInput >::operator() ( const RexInput &  rex_in ) const

inline

Definition at line 354 of file RelAlgDagBuilder.h.

References RexAbstractInput::getIndex(), and RexInput::getSourceNode().

                                                  {
    auto addr = rex_in.getSourceNode();
    return *reinterpret_cast<const size_t*>(may_alias_ptr(&addr)) ^ rex_in.getIndex();
  }

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The documentation for this struct was generated from the following file:

• /home/jenkins-slave/workspace/core-os-doxygen/QueryEngine/RelAlgDagBuilder.h