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launder
[folly.git]
/
folly
/
Utility.h
diff --git
a/folly/Utility.h
b/folly/Utility.h
index d84abb7be70f6ff3de98ac6e0229802b3b084367..dbe552f02aac940b79c34b2708ae18e4c4201d75 100644
(file)
--- a/
folly/Utility.h
+++ b/
folly/Utility.h
@@
-260,4
+260,11
@@
class MoveOnly {
using MoveOnly = moveonly_::MoveOnly;
+/**
+ * Backport from C++17 of std::launder
+ */
+template <typename T>
+constexpr T* launder(T* in) {
+ return (in + 1) - 1;
+}
} // namespace folly