Questions tagged [include]
The include tag has no usage guidance.
20
questions
5
votes
1answer
219 views
The case against path expressions in #include directives
I am preparing for a discussion with my fellow programmers which will be about their use of the C/C++ #include directive. The codebase which I have to retrofit to Automotive standards is using ...
1
vote
1answer
96 views
UML Use Case Diagrams Relationship - Required / Optional AND independent
I am learning to create Use Case diagrams using the UML specification, but I have a couple of doubts about Use Case relationships which I cannot solve on my own.
My question regards two different ...
4
votes
1answer
122 views
Should I specify my header include path in the source code, or as a project option?
Basically, I am asking, whether my code should say
#include “../libs/src/my_lib.h”
or
#include “my_lib.h”
with a complier option of
-I ../libs/src/
I feel (reasonably strongly) that ...
asked Nov 27 '18 at 10:42
Mawg says reinstate Monica
3,7882 gold badges26 silver badges48 bronze badges
3
votes
2answers
975 views
Include own header file first or last? Any technical reasons?
I was revisiting my question How can I prevent header hell?, when I noticed a comment which said
A good technique for ensuring a header is independent is having a rule that the source file always ...
asked Nov 27 '18 at 9:20
Mawg says reinstate Monica
3,7882 gold badges26 silver badges48 bronze badges
4
votes
3answers
1k views
Detecting header inclusion chains and dependencies in C++
File Top.h
#include <string>
...some code...
File Bottom.h:
#include "Top.h"
void someFunction() {
string s = new String();
...
}
The Bottom.h does not contain an include for the string ...
0
votes
1answer
331 views
UML, <<extending>> and <<including>> from the same use case
This is a use case diagram about the enrollment of students at a university. There are several flaws in it, and I have to find them.
I am wondering what is happening when you get to use case "Choose ...
2
votes
1answer
414 views
Use case causes other use cases
I am making this independent drone control system that a user can start and stop. When the program is started, the connected drone takes off, hovers, and turns to face the other side. At first I ...
47
votes
7answers
23k views
How can I prevent header hell?
We are starting a new project, from scratch. About eight developers, a dozen or so subsystems, each with four or five source files.
What can we do to prevent “header hell”, AKA “spaghetti headers”?
...
asked Feb 17 '17 at 10:11
Mawg says reinstate Monica
3,7882 gold badges26 silver badges48 bronze badges
4
votes
2answers
5k views
Is including headers inside a namespace always a bad idea?
The replies in this post come very strongly against including headers inside a namespace and Doxygen is confused if that is done (which suggests that its team did not consider that usage either). I ...
2
votes
2answers
207 views
Fully Specifying #includes
I'm very fastidious about code. When I remove functionality from a file I remove the cooresponding #includes. I've hit several errors where I would remove a #include from a header, and another file ...
1
vote
4answers
2k views
cpp and h/hpp #include: “why” question
Why does the source include a header and not also the other way around? I googled it but only found questions regarding the use of header files, how to include them but nowhere to say why it is like ...
1
vote
1answer
824 views
When should I use a precondition and when to include another use-case to provide those conditions?
For example, suppose 'Borrwoing a book' a use case:
I can figure out two description for it:
Description one:
Precondition: The member to access this use-case should be already logged in.
OR EVEN ...
40
votes
8answers
15k views
Is it good practice to rely on headers being included transitively?
I'm cleaning up the includes in a C++ project I'm working on, and I keep wondering whether or not I should explicitly include all headers used directly in a particular file, or whether I should only ...
19
votes
7answers
47k views
Why do we need to include the .h while everything works when including only the .cpp file?
Why do we need to include both the .h and .cpp files while we can make it work solely by including the .cpp file?
For example: creating a file.h containing declarations, then creating a file.cpp ...
3
votes
1answer
3k views
Single complex or multiple simple autoload functions
Using the spl_autoload_register(), should I use a single autoload function that contains all the logic to determine where the include files are or should I break each include grouping into it's own ...
7
votes
1answer
4k views
When defining directory path, should a trailing slash be included?
Say I'm defining a directory and then including files from it. Is it better practice to do:
define('PATH', 'C:/xampp/htdocs/includes/');
require PATH.'header.php;
or:
define('PATH', 'C:/xampp/...
5
votes
5answers
4k views
Is it bad to place “include directive” within main function?
It is always said that the include directives should be placed at the beginning of a script. The main reason is to make the functions available throughout the script. Regardless of this fact, is it ...
10
votes
7answers
4k views
Ensuring that headers are explicitly included in CPP file
I think it's generally good practice to #include the header for any types used in a CPP file, regardless of what is already included via the HPP file. So I might #include <string> in both my HPP ...
3
votes
1answer
216 views
Handling bugs, quirks, or annoyances in vendor-supplied headers
If the header file supplied by a vendor of something with whom one's code must interact is deficient in some way, in what cases is it better to:
Work around the header's deficiencies in the main code
...
3
votes
1answer
1k views
Including local headers first
So I read up on the ordering of your includes, and this guy suggested you include your local header first so as to make sure it doesn't have prerequisites. Ok, I get that. I'm on board. The whole ...
