diff options
| -rw-r--r-- | compat/util.hpp | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/compat/util.hpp b/compat/util.hpp index 9439271f..ee462d0e 100644 --- a/compat/util.hpp +++ b/compat/util.hpp @@ -11,6 +11,9 @@ #include <QDebug> #define progn(...) ([&]() { __VA_ARGS__ }()) + +#define once_only(...) progn(static bool once = false; if (!once) { once = true; __VA_ARGS__; }) + template<typename t> using mem = std::shared_ptr<t>; template<typename t> using ptr = std::unique_ptr<t>; |