util::details::PointerVectorMaker< Coll, typename > Struct Template Reference

#include <SortByPointers.h>

Static Public Member Functions
static auto	make (Coll &coll)

Detailed Description

template<typename Coll, typename = void>
struct util::details::PointerVectorMaker< Coll, typename >

Definition at line 127 of file SortByPointers.h.

Member Function Documentation

template<typename Coll , typename = void>

static auto util::details::PointerVectorMaker< Coll, typename >::make ( Coll &  coll )

inlinestatic

Definition at line 129 of file SortByPointers.h.

                                 {
      
      using std::begin, std::end;
      
      using pointer_type = decltype(&*begin(coll));
      using ptr_coll_t = std::vector<pointer_type>;

      auto const n = coll.size();

      //
      // create the collection of pointers to data
      //
      ptr_coll_t ptrs;
      ptrs.reserve(n);
      std::transform(begin(coll), end(coll), std::back_inserter(ptrs),
        [](auto& obj){ return &obj; });

      return ptrs;

    } // make()

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

• larcorealg/larcorealg/CoreUtils/SortByPointers.h