Function StreamHelper

rtpose_wrapper/src/gtest/gtest.h:8695–8701

  // tr1::type_traits-like is_pointer works, and we can overload on that.
  template <typename T>
  inline void StreamHelper(internal::true_type /*dummy*/, T* pointer) {
    if (pointer == NULL) {
      *ss_ << "(null)";
    } else {
      ::GTestStreamToHelper(ss_.get(), pointer);
    }
  }
  template <typename T>
  inline void StreamHelper(internal::false_type /*dummy*/, const T& value) {
    ::GTestStreamToHelper(ss_.get(), value);