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Tag Archives: resource management
Your handy cut-out-and-keep guide to std::forward and std::move
Technical Consultant at Feabhas Ltd
Glennan is an embedded systems and software engineer with over 20 years experience, mostly in high-integrity systems for the defence and aerospace industry.
He specialises in C++, UML, software modelling, Systems Engineering and process development.
He specialises in C++, UML, software modelling, Systems Engineering and process development.
Latest posts by Glennan Carnie (see all)
- Practice makes perfect, part 3 – Idiomatic kata - February 27, 2020
- Practice makes perfect, part 2– foundation kata - February 13, 2020
- Practice makes perfect, part 1 – Code kata - January 30, 2020
I love a good ‘quadrant’ diagram. It brings me immense joy if I can encapsulate some wisdom, guideline or rule-of-thumb in a simple four-quadrant picture.
This time it’s the when-and-where of std::move and std::forward. In my experience, when programmers are first introduced to move semantics, their biggest struggle is to know when (or when not) to apply std::move or std::forward. Usually, it’s a case of “keep apply std::move until it compiles”. I’ve been there myself.
To that end I’ve put together a […]
Posted in C/C++ Programming
Tagged C++, C++0x, C++11, C++1y, Modern C++. C++11. C++14, move policy, move semantics, resource management
2 Comments
Bitesize Modern C++ : Smart pointers
Technical Consultant at Feabhas Ltd
Glennan is an embedded systems and software engineer with over 20 years experience, mostly in high-integrity systems for the defence and aerospace industry.
He specialises in C++, UML, software modelling, Systems Engineering and process development.
He specialises in C++, UML, software modelling, Systems Engineering and process development.
Latest posts by Glennan Carnie (see all)
- Practice makes perfect, part 3 – Idiomatic kata - February 27, 2020
- Practice makes perfect, part 2– foundation kata - February 13, 2020
- Practice makes perfect, part 1 – Code kata - January 30, 2020
The dynamic creation and destruction of objects was always one of the bugbears of C. It required the programmer to (manually) control the allocation of memory for the object, handle the object’s initialisation then ensure that the object was safely cleaned-up after use and its memory returned to the heap. Because many C programmers weren’t educated in the potential problems (or were just plain lazy or delinquent in their programming) C got a reputation in some quarters for being an […]
Posted in C/C++ Programming
Tagged auto_ptr, C++, C++0x, C++11, C++1y, memory management, resource management, shared_ptr, smart pointer, unique_ptr, weak_ptr
3 Comments
The Rule of The Big Four (and a half) – Move Semantics and Resource Management
Technical Consultant at Feabhas Ltd
Glennan is an embedded systems and software engineer with over 20 years experience, mostly in high-integrity systems for the defence and aerospace industry.
He specialises in C++, UML, software modelling, Systems Engineering and process development.
He specialises in C++, UML, software modelling, Systems Engineering and process development.
Latest posts by Glennan Carnie (see all)
- Practice makes perfect, part 3 – Idiomatic kata - February 27, 2020
- Practice makes perfect, part 2– foundation kata - February 13, 2020
- Practice makes perfect, part 1 – Code kata - January 30, 2020
In the previous article we looked at the issues of resource management in C++ and introduced “The Rule of The Big Three (and a half)”. In this article we’ll extend this concept by looking at the idea of move semantics, a feature introduced in C++11. Move semantics mean we’ll have to extend our rule to “The Rule of The Big Five” or, perhaps more correctly, “The Rule of The Big Four (and a