benchmark/src/string_util.h
2015-03-09 18:00:04 -04:00

41 lines
818 B
C++

#ifndef BENCHMARK_STRING_UTIL_H_
#define BENCHMARK_STRING_UTIL_H_
#include <string>
#include <sstream>
#include <utility>
namespace benchmark {
void AppendHumanReadable(int n, std::string* str);
std::string HumanReadableNumber(double n);
std::string StringPrintF(const char* format, ...);
inline std::ostream&
StringCatImp(std::ostream& out) noexcept
{
return out;
}
template <class First, class ...Rest>
inline std::ostream&
StringCatImp(std::ostream& out, First&& f, Rest&&... rest)
{
out << std::forward<First>(f);
return StringCatImp(out, std::forward<Rest>(rest)...);
}
template<class ...Args>
inline std::string StrCat(Args&&... args)
{
std::ostringstream ss;
StringCatImp(ss, std::forward<Args>(args)...);
return ss.str();
}
} // end namespace benchmark
#endif // BENCHMARK_STRING_UTIL_H_