Function FormatForComparisonFailureMessage

test/gtest/gtest.h:18844–18847

// INTERNAL IMPLEMENTATION - DO NOT USE IN A USER PROGRAM.
template <typename T1, typename T2>
std::string FormatForComparisonFailureMessage(
    const T1& value, const T2& /* other_operand */) {
  return FormatForComparison<T1, T2>::Format(value);
}

// The helper function for {ASSERT|EXPECT}_EQ.
template <typename T1, typename T2>