Add bench utils

2022-10-03 17:11:33 +02:00
parent 50896e3cd0
commit 2cbff5c8c9
3 changed files with 35 additions and 0 deletions
--- a/bench/utils.hpp
+++ b/bench/utils.hpp
@@ -0,0 +1,12 @@
+#ifndef UTILS_HPP_
+#define UTILS_HPP_
+
+#define _FORMAT(_fmt, ...)                                    \
+  ([&] (void) -> std::string {                                \
+     int _sz = std::snprintf(nullptr, 0, _fmt, __VA_ARGS__);  \
+     std::vector<char>  _out(_sz  +  1);                      \
+     std::snprintf(&_out[0], _out.size(), _fmt, __VA_ARGS__); \
+     return std::string(_out.data());                         \
+   })()
+
+#endif