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srb2::MobjListView: support copy assignment

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This commit is contained in:
James R 2023-12-03 09:53:35 -08:00
parent a211ae73fe
commit aba94d205b
1 changed files with 8 additions and 0 deletions
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8
src/mobj_list_view.hpp
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@ -34,6 +34,14 @@ struct MobjListView
using reference = value_type;
Iterator(pointer ptr, F adv) : ptr_(deref(ptr)), adv_(adv) {}
Iterator& operator=(const Iterator& b)
{
// adv_ may be a lambda. However, lambdas are not
// copy assignable. Therefore, perform copy
// construction instead!
this->~Iterator();
return *new(this) Iterator {b};
}
bool operator==(const Iterator& b) const { return ptr_ == b.ptr_; };
bool operator!=(const Iterator& b) const { return ptr_ != b.ptr_; };