shared_ptr() [9/11]

template<typename T>

template<typename Y>

fl::shared_ptr< T >::shared_ptr ( const weak_ptr< Y > & weak )

explicit

Definition at line 208 of file weak_ptr.h.

                                                 : ptr_(nullptr), control_block_(nullptr) {
    if (!weak.expired()) {
        if (weak.control_block_ && weak.control_block_->shared_count > 0) {
            ++weak.control_block_->shared_count;
            ptr_ = weak.ptr_;
            control_block_ = weak.control_block_;
        }
    }
    if (!ptr_) {
        // If construction failed (object was destroyed), throw bad_weak_ptr equivalent
        // For now, just leave as default-constructed (nullptr)
    }
}

References control_block_, fl::weak_ptr< T >::expired(), ptr_, and weak_ptr.

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