{"json_modified": "2016-03-28T08:14:27.105860", "uuid": "bcd43771-bfc6-4211-9bb9-12e32420745f", "title": "Weak reference", "url": "/en-US/docs/Mozilla/Tech/XPCOM/Weak_reference", "tags": ["XPCOM"], "translations": [{"uuid": "388f50ad-135f-429e-9d3a-cfe90368ac84", "title": "Weak reference", "url": "/ja/docs/Weak_reference", "tags": ["XPCOM"], "summary": "In <a href=\"ja/XPCOM\">XPCOM</a>, a <b>weak reference</b> is a special object that contains a pointer to an XPCOM object, but does <i>not</i> keep that object alive. If the referent object is destroyed before the weak reference, the pointer inside the weak reference is set to <code>nsnull</code>.", "localization_tags": [], "locale": "ja", "last_edit": "2007-10-03T21:03:25", "review_tags": []}], "modified": "2016-02-28T07:08:01", "label": "Weak reference", "localization_tags": [], "locale": "en-US", "id": 16526, "last_edit": "2013-01-09T06:16:24", "summary": "In <a href=\"/en-US/docs/XPCOM\">XPCOM</a>, a <b>weak reference</b> is a special object that contains a pointer to an XPCOM object, but does <i>not</i> keep that object alive. If the referent object is destroyed before the weak reference, the pointer inside the weak reference is set to <code>nsnull</code>.", "sections": [{"id": "Why_do_I_need_this.3F", "title": "Why do I need this?"}, {"id": "How_do_I_use_it.3F", "title": "How do I use it?"}, {"id": "Well_this_sucks.21", "title": "Well this sucks!"}, {"id": "Why_can.27t_I_just_directly_call_my_interfaces_methods_on_the_weak_reference.3F", "title": "Why can't I just directly call my interfaces methods on the weak reference?"}, {"id": "Why_can.27t_I_just_QueryInterface_between_the_pair.3F", "title": "Why can't I just "}, {"id": "How_do_I_make_a_class_support_weak_references.3F", "title": "How do I make a class support weak references?"}, {"id": "Alternatives", "title": "Alternatives"}, {"id": "See_also", "title": "See also"}, {"id": "Original_Document_Information", "title": "Original Document Information"}], "slug": "Mozilla/Tech/XPCOM/Weak_reference", "review_tags": []}