.cxx > .cc > .c++ > .cpp

you don't need an extension in c++

>.sepples
>.shouldbeamodule
>.module

You don't need one but you should use one if you're planning to use any half decent editor.

OP here, I still use .h but not sure if I should switch to .hxx, what do you think?

I personally mix .cxx with .h as you won't be mixing it with C-only headers anyway, and also because I like 'h' for header, not header-plus-plus. Just makes more sense to my brain.

(cont) I think what's more important than that is consistency in your project though, stick to one extension for source files and headers.

The only sane options for C++ filenames are .cpp and .hpp. Everything else is either boomer tier or skiddie contrarian tier.

cc and hh are pretty good desu

Oops, seems you made a little mistake there!
Don't worry, we can fix that up for you!
It seems you mistyped p when you meant to type x! But don't thank me, I'm just doing my job.

Reminder that .cpp was started because of Microsoft not being able to use + in their filenames.

.cp

true patricians use .C

.sepples

I like .hpp because it distinguishes it from a standard C header, and I like to keep C and C++ apart. If I intend to make a header that can be included from both C and C++, then I make it a .h file.

I like:
>.cpp
>.hpp
>.inl
for C:
>.c
>.h

you're done for, fucko

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>anything other than C
might as well use .cuck

Which fucks things up if your project uses both C and C++ files.

.cpp is the preffered extension as per the guidelines

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Visual Studio automatically names my source files *.cpp so I keep them that way!

based and redpilled

Only if you are using a dogshit OS

>using capital letters in a *nix enviroment

.cs >

>microshaft java
DELET

.h .c
.hpp .cpp .tpp

>.c++

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>not .seepeepee

I perfer .fagglang

.hpp for self-contained template headers and .h for headers that have a corresponding .cpp implementation file.

Wrong. .C > .cxx, .cc, .c++, .cpp

I also always used .h for C++. But note that for example C++ only libraries like Boost use .hpp.
That is, .h suggest that this is C header to be used in C++ program, since you can use C libraries like that. But .hpp header suggest that it cannot be used with C and also the library is C++ only. C headers have often guarding blocks that tells the compiler that those function have to be called in C way.
You should use .hpp therefore.

Oh, and KDE has consistent icons .cpp and .hpp so files look nice in explorer.

.hpp > *

.c+=

>open a C pre-processor file
>agdually is aduld amerigan C++ code
>fug