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Update obj.h

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blueloveTH 2023-05-23 19:45:39 +08:00
parent 9257d18a75
commit 73fbb98712
1 changed files with 3 additions and 0 deletions
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src/obj.h
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@ -41,6 +41,9 @@ struct NativeFunc {
T get_userdata() const { T get_userdata() const {
static_assert(std::is_trivially_copyable_v<T>); static_assert(std::is_trivially_copyable_v<T>);
static_assert(sizeof(T) <= sizeof(UserData)); static_assert(sizeof(T) <= sizeof(UserData));
#if DEBUG_EXTRA_CHECK
if(!_has_userdata) throw std::runtime_error("userdata not set");
#endif
return reinterpret_cast<const T&>(_userdata); return reinterpret_cast<const T&>(_userdata);
} }