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enable move semantics when pushing rvalue optional

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add forward_like-style cast to stack::pusher<optional<O>>
This commit is contained in:
Rohlem 2017-07-06 16:05:51 +02:00 committed by The Phantom Derpstorm
parent 958fd037ab
commit 077448bfc8
1 changed files with 2 additions and 1 deletions
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3
sol/stack_push.hpp
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@ -26,6 +26,7 @@
#include "raii.hpp" #include "raii.hpp"
#include "optional.hpp" #include "optional.hpp"
#include <memory> #include <memory>
#include <type_traits>
#ifdef SOL_CODECVT_SUPPORT #ifdef SOL_CODECVT_SUPPORT
#include <codecvt> #include <codecvt>
#include <locale> #include <locale>
@ -703,7 +704,7 @@ namespace sol {
if (t == nullopt) { if (t == nullopt) {
return stack::push(L, nullopt); return stack::push(L, nullopt);
} }
return stack::push(L, t.value()); return stack::push(L, static_cast<std::conditional_t<std::is_lvalue_reference<T>::value, O&, O&&>>(t.value()));
} }
}; };