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Newest 'pointers' Questions - Code Review Stack Exchange
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Learn more about TeamsQuestions tagged [pointers]
In computer science, a pointer is a programming language data type whose value refers directly to (or "points to") another value stored elsewhere in the computer memory using its address.
393 questions
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9
votes
2
answers
779
views
My shared_ptr implementation
I would like to ask for a code review of my shared_ptr<T> implementation for design, code style. Any nitpicks will extremely useful for me. The features ...
10
votes
6
answers
2k
views
k-Nearest Neighbors algorithm in C
I've been learning C for a while, and I decided to make a simple kNN program. What can I do to improve the program?
Am I doing memory management right? Can the structure of the code be improved in ...
4
votes
1
answer
112
views
Maze game from book Design Patterns with smart pointers and polymorphism
The Design Patterns book chapter 3 about Creational Patterns starts with a maze game. They use the maze as an example throughout the chapter and instead of rooms they have also things like enchanted ...
3
votes
1
answer
103
views
Leveraging EBCO (Empty Base Class Optimization )in a Simplified Smart‐Pointer with Custom Deleters
I’ve been experimenting with a minimal unique_ptr–style class to see Empty Base Class Optimization(EBCO) in action when the deleter is empty:
...
7
votes
3
answers
1k
views
C++ implementation of Go inspired cancellable context
I am trying to create golang inspired cancellable context in C++ for use in worker threads and other tasks. I have tried to avoid using raw pointers, but ever since I started writing C++ code, I ...
4
votes
1
answer
133
views
Compute index in a ring buffer
I have a buffer implemented as a fixed-size std::vector with two begin and end pointers ...
14
votes
2
answers
537
views
Custom implementation of `std::unique_ptr<T>`
I skimmed through the documentation on cppreference.com and put down the basic functionalities expected out of a unique_ptr<T> implementation. I coded up a ...
6
votes
2
answers
754
views
polymorphic message container [closed]
Any comments/suggestions on this design? I just want to hold onto an ordered collection of messages. Each message can be one of several types.
I'm using some code analogous to this currently in a ...
5
votes
3
answers
339
views
Implementation of arrays that store their size
In this code I implemented arrays that store their own size before the first element. To access it you need to go back exactly sizeof(size_t) bytes back. To free it,...
3
votes
2
answers
149
views
Todo List app using C
I just learned to deal with pointers and memory allocation stuff. Using that, I built a todo list app, and it works as far as I tested it.
I didn't account for many user errors, so any suggestion to ...
5
votes
3
answers
849
views
Safe(r) / Easier Pointer Allocation Interface in C (ISO C11)
I spent like half an hour programming up a set of functions to make the allocation / deallocate of pointers easier within a bigger project. I felt that they were satisfactory, but was wondering if ...
1
vote
1
answer
175
views
A unique_ptr-like class, for spans instead of raw pointers
Introduction / Motivation
I like the CADRe (a.k.a. RAII) resource management idiom in C++. And I like std::span's; or perhaps I should say, I dislike the use of ...
3
votes
1
answer
95
views
Compare and merge sets from unstructured variables for automatic differentiation
I have developed an automatic differentiation module for my software. Usually AD comes in two forms; forward mode or reverse mode and very clever approaches, beyond me, might mix both. Typically the ...
4
votes
1
answer
178
views
Trie implementation using std::shared_ptr
I've implemented a basic Trie that is supposed to work only with lowercase English letters.
...
2
votes
2
answers
286
views
Optimizing Subarray Removal: Can the Removal Process be Enhanced for Better Efficiency?
The only requirement is that it has to be done by pointers:
And it returns the amount of removed numbers because of the way of output that is set in the main.
The function, using exclusively pointer ...
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