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Title | C++ |
Description | C++Patterns A repository of modern and idiomatic C++ code patterns curated by the |
Keywords | N/A |
WebSite | |
Host IP | 104.21.55.102 |
Location | United States |
Site | Rank |
US$4,621,244
Last updated: 2023-05-09
cpppatterns.com has Semrush global rank of 2,290,358. cpppatterns.com has an estimated worth of US$ 4,621,244, based on its estimated Ads revenue. cpppatterns.com receives approximately 533,221 unique visitors each day. Its web server is located in United States, with IP address 104.21.55.102. According to SiteAdvisor, cpppatterns.com is safe to visit. |
Purchase/Sale Value | US$4,621,244 |
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Daily Unique Visitors | 35,549 |
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C++ Patterns Featured pattern: Weak reference 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 #include <memory> class bar ; class foo { public : foo ( const std :: shared_ptr < bar >& b ) : forward_reference { b } { } private : std :: shared_ptr < bar > forward_reference ; }; class bar { public : void set_back_reference ( const std :: weak_ptr < foo >& f ) { this -> back_reference = f ; } void do_something () { std :: shared_ptr < foo > shared_back_reference = this -> back_reference . lock (); if ( shared_back_reference ) { // Use *shared_back_reference } } private : std :: weak_ptr < foo > back_reference ; }; Continue reading → Requires c++11 or newer Intent Maintain a non-owning reference to a shared dynamically allocated object to break circular dependencies. Description The std::weak_ptr type represents a non-owning reference to dynamically allocated object with shared ownership ( |
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