StlHelpers.hpp

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#ifndef DART_COMMON_STLHELPERS_HPP_
#define DART_COMMON_STLHELPERS_HPP_
 
#include <cassert>
#include <cstddef>
#include <vector>
 
#include "Memory.hpp"
 
// Macro to suppress -Wunused-parameter and -Wunused-variable warnings in
// release mode when a variable is only used in assertions.
#define DART_UNUSED(x)                                                         \
  do                                                                           \
  {                                                                            \
    (void)(x);                                                                 \
  } while (0)
 
namespace dart {
namespace common {
 
//==============================================================================
template <typename T>
static T getVectorObjectIfAvailable(
    std::size_t index, const std::vector<T>& vec)
{
  assert(index < vec.size());
  if (index < vec.size())
    return vec[index];
 
  return nullptr;
}
 
} // namespace common
} // namespace dart
 
#endif // DART_COMMON_STLHELPERS_HPP_