All Questions
21 questions
12votes
3answers
2kviews
Matrix implementation
I am trying to implement an optimal and fast running matrix in C++. I need some review of the code and ideas on how to improve the code quality if it shall be. ...
5votes
2answers
439views
Python's enumerate for C++
I implemented an enumerate() method for C++ containers similar to Python's enumerate to iterate through a range with an index and the actual value. I have the following questions: Does the usage of ...
- 195
3votes
1answer
180views
Image (Const) Iterator using C++17
I am trying to learn how to correctly implement an iterator (and its corresponding const variant) using a single template, so I would appreciate any criticism to the following code. It's an forward ...
- 133
5votes
1answer
627views
`zip` operator to iterate on multiple container in a sign
I worked out a zip operator similar to Python's, because I didn't find one in std. It allows to use range-based ...
- 153
2votes
1answer
140views
template iterable numeric range class with multiple min/max inclusion modes
Problem my code solves: Lack of lightweight numeric range classes which can tell if arbitrary values lie inside them, supporting more than just simple exclusive max modes and integers, and that ...
- 696
10votes
2answers
12kviews
C++17 zip iterator compatible with std::sort
Here are ~100 lines of code implementing three classes (ZipRef, ZipIter, Zip) which should ...
- 907
10votes
2answers
2kviews
Iterator for traversing a tree [v2]
this is an update of the implementation after I followed the feedback from Iterator for traversing a tree. After that I did changed quite a bit on the design and decided to ask for another round of ...
3votes
1answer
351views
9votes
1answer
230views
General algorithm to calculate sums of all subsets of a given sequence of numbers
Background A recent question Print sums of all subsets made its way to the Hot Network Questions list. The problem is simple: Print sums of all subsets of a given set Given an array of ...
- 9,625
4votes
3answers
732views
My implementation of a for_each function that traverses a std::container by some step size integer N
As my answer to Iterating over an odd (even) elements only in a range-based loop, I wrote this function, with the following driver program and output: ...
- 1,035
2votes
1answer
92views
Iterating over different Objects which are ordered by index number
I am currently working on a bigger project where I found a part of it which seems very ugly to me from the code. I stripped out the algorithm and made a working code, so it can be reviewed. I have a ...
- 3,092
2votes
1answer
68views
Class representing digital PLC address
I have a project where I work with digital addresses for a Programmable Logic Controller (PLC). The requirement is that the user gives a start address e.g. 1000.0 and then for example the next 20 ...
- 3,092
4votes
1answer
1kviews
back_inserter for several container arguments
Recently I wrote a back_inserter with the same interface as the std::back_inserter just for supporting several containers in the constructor and doing push_back for each. The solution needs C++17. ...
- 195
5votes
2answers
117views
Iterable object on set of ids
For some of the algorithms that I am implementing it turned out to be useful storing ids in order to iterate on objects, while also avoiding having to think about reallocation and invalidation of ...
- 341
7votes
2answers
2kviews
Generic in order traversal iterator for binary trees
This actually started off as member type for the binary_search_tree, but after realizing that it doesn't compare to values or use the value objects inside of it, I ...
- 9,589
