annotation: add 'expect' wrapper

2018-08-01 13:07:58 +10:00 · 2018-08-01 13:07:58 +10:00 · 5d8ee88772
commit 5d8ee88772
parent 2c47a3654d
1 changed files with 9 additions and 0 deletions
--- a/annotation.hpp
+++ b/annotation.hpp
@ -30,4 +30,13 @@ bool
 unlikely (T &&t)
 { return __builtin_expect (!!t, false); }

+
+constexpr inline
+long
+expect (long val, long typical)
+{
+    return __builtin_expect (val, typical);
+}
+
+
 #endif