Comment by Peter - Reinstate Monica on Copyability conundrum for a class...
I suppose you want the user to obtain actual instances of the class and not just pointers or references, like one would from factories? E.g. for automatic resource management like RAII? Perhaps we...
View ArticleComment by Peter - Reinstate Monica on Undefined references to c23 variants
@3CEZVQ I would expect gcc (i.e., the compile/link driver) to choose the proper glibc automatically. Maybe a -std=c23 would trigger that? Although it seems inconsistent that the compiler compiles...
View ArticleComment by Peter - Reinstate Monica on Error return values vs. function that...
Ironically, the really unrecoverable errors may not allow you to even log anything (e.g. out-of-memory, memory corruption). For all others, it would often be nice to have context for the error (like,...
View ArticleComment by Peter - Reinstate Monica on File pointer in C programming
@mtilsted The return value of fopen() (as opposed to the return value of open()) is very well a "pointer in the C language" -- as well as a "magic token" (which we would normally call a "handle").
View ArticleComment by Peter - Reinstate Monica on Overloading function template with...
Not sure what happens if and when this question is closed...
View ArticleAnswer by Peter - Reinstate Monica for Is a directory in a file system just a...
Directories typically have a material presence on disk. In early Unix, which probably introduced the clearest concept of file systems with a tree-shaped directory structure, directories were actually...
View ArticleComment by Peter - Reinstate Monica on C: How to fold a constant before it is...
I wonder whether there may be constexpr possibilities in C++. std::to_string() does not appear to be.
View ArticleAnswer by Peter - Reinstate Monica for What happens if i mix c with c++ in a...
It is simple: Everything that you present to a C++ compiler must be valid C++.Not coincidentally though, most C — including its standard library (for things like printf) — is actually valid C++ as well...
View ArticleComment by Peter - Reinstate Monica on Parts of the stack frame in Visual...
Not sure about the close reason -- I posted it because it's clearly useful as a reference for future users. I also think it's not better suited for, say, superuser or such. Stackoverflow is the proper...
View ArticleComment by Peter - Reinstate Monica on What are the differences between...
@dancarter Well, VS Code integrates everything except a compiler and debugger ;-). Which leaves ... an editor. As advertised. To make this DE an IDE you have to add the "I" yourself, so to speak...
View ArticleComment by Peter - Reinstate Monica on Parts of the stack frame in Visual...
@TylerH Especially the fact that there is no (obvious) warning about this. Btw., at least for a sample size of 1, killing the devenv process during a build does not leave the compiler processes behind.
View ArticleAnswer by Peter - Reinstate Monica for What happens if i mix c with c++ in a...
It is simple: Everything that you present to a C++ compiler must be valid C++.Not coincidentally though, most C — including its standard library (for things like printf) — is actually valid C++ as well...
View ArticleComment by Peter - Reinstate Monica on How can I avoid "for" loops with an...
@CodyGray Seriously: Coders should be paid by lines deleted -- that would be a better metric than most and lead to better software, in most cases.
View ArticleComment by Peter - Reinstate Monica on Why should I not #include ?
IIUC, gcc uses a precompiled version; as an effect, it may be faster than including only the needed single headers (although those could be precompiled as well).
View ArticleComment by Peter - Reinstate Monica on Is repository size really a Git...
Often, there is a central repository on a company server or some cloud git provider. Often, it is tolerable when these repos become large -- the main pain is that every local "working clone" is that...
View ArticleComment by Peter - Reinstate Monica on When should I use std::thread::detach?
@Andrew You are being sarcastic, right?
View ArticleComment by Peter - Reinstate Monica on Does p-- point to b in this code, or...
There is no problem with using namespace std in a short demo program like this. It's the first thing I do because it makes the program more readable, which is paramount here.
View ArticleComment by Peter - Reinstate Monica on What do fgetc and fputc have to do...
It should not be too much effort to write a toy toy program which does something trivial (but observable) with the data each way so that you get a rough idea. Presumably with optimization enabled to...
View ArticleAnswer by Peter - Reinstate Monica for Accessing static properties of a...
The straight-forward way is apparently a grey area in the language specification:struct Example{ static int example() { return 0; }};typedef Example* PointerType;int main(){ PointerType p = nullptr; //...
View ArticleAnswer by Peter - Reinstate Monica for How define an array of function...
There are a number of correct answers here; but they fail to mention the beautiful simplicity of the C grammar which, once understood, helps solving question like this one.1. Declarations syntactically...
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