Typing std:: is the best way to go in my opinion. I would prefer to know exactly what library I am using.

Imagine writing a template function that returns the begin() iterator for every iterable type.

Show example ples

Imagine you have a structure like this struct Bar { Bar * begin() { return this; } Bar *end() { return this; } }; Using it an a for-range loop works fine, since it's iterable. If you want to get the start iterator std::begin works as well. —————————————- Now we got a second structure struct Foo { friend Foo* begin(Foo& f) { return &f; } friend Foo* end(Foo& f) { return &f; } }; Using a for-range loop works fine again void foo() { for (auto && f : Foo{}) {} } Using std::begin fails with error: no matching function for call to 'begin(Foo&)' —————————————————- This is not what we want, for example, we might want to implement a enumerate that basically does the same as python's enumerate, e.g. for(auto&& [idx, val] : enumerate(Foo{})) {} So we want to call the friend function for Foo but std::begin Bar, ADL is the solution by doing something like template <class T> auto beg(T&& t) { using std::begin; return begin(t); }

I see. But that still isn't in the global space though?

using std::begin isn't in the global namespace of the project. Maybe you and I got confused. I was saying that using namespace std; in a global way is bad practice. However if you limit it to a scope, so it only affects that scope, then I would say that is fine.

again: I would still prefer not to use the whole namespace but rather using the funciton instead

using std::begin isn't in the global namespace of the project. Maybe you and I got confused. I was saying that using namespace std; in a global way is bad practice. However if you limit it to a scope, so it only affects that scope, then I would say that is fine.

Using objects != using oop

I totally agree with you on not using namespace std;. I don't agree with this statement though Typing std:: is the best way to go in my opinion. I would prefer to know exactly what library I am using.

Might be an off topic question, but does anyone know where to promote your open source project?

Depends on the project. If it's worth it you could try asking for feedback on reddit

Hi, guys. I need your help. Why temp print works but timeArray.substraction not? Substraction returns Time. What's wrong and how to solve it? If needed there is a code https://github.com/RXDYE/oopLab3

Hi, guys. I need your help. Why temp print works but timeArray.substraction not? Substraction returns Time. What's wrong and how to solve it? If needed there is a code https://github.com/RXDYE/oopLab3

Sorry... Please

The cpp Reddit?

if it's a Cpp project worth sharing, sure why not?

Try SoloLearn

Guys, can you share links on gtkmm projects (simple preferred but any is good). Need that for learning purposes. Thanks!

Gtkmm?

I have learned the JavaScript language, I am going to learn the C language, please give me more advice.

What do you think about reading a document or video?

are there any other informative groups like this one?

is this group informative? 🤔