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added function autoclear_hook

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Zeno Rogue
2025-04-05 23:23:59 +02:00
parent 11563f2b47
commit e19ccbf5e5
1 changed files with 6 additions and 5 deletions
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tour.cpp
+6 -5
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@@ -1100,12 +1100,13 @@ template<class T> void rv_keep(T& variable) {
on_cleanup_or_next([backup, &variable] { variable = backup; }); on_cleanup_or_next([backup, &variable] { variable = backup; });
} }
template<class T, class U> void rv_hook(hookset<T>& m, int prio, U&& hook) { template<class T, class U> auto autoclear_hook(hookset<T>& m, int prio, U&& hook) {
int p = addHook(m, prio, hook); int p = addHook(m, prio, hook);
auto del = [&m, p] { return [&m, p] { delHook(m, p); };
delHook(m, p); }
};
on_cleanup_or_next(del); template<class T, class U> void rv_hook(hookset<T>& m, int prio, U&& hook) {
on_cleanup_or_next(autoclear_hook(m, prio, hook));
} }
#endif #endif