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Questions tagged [error-handling]

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Questions related to handling errors and exceptions. According to Wikipedia, Exception handling is the process of responding to the occurrence, during computation, of exceptions – anomalous or exceptional events requiring special processing – often changing the normal flow of program execution. It is provided by specialized programming language constructs or computer hardware mechanisms.

308 questions
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3 answers
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Say I have the following header #ifndef WINDOW_HPP #define WINDOW_HPP // includes... namespace window { struct Window { GLFWwindow *handle = nullptr; }; struct ...
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14 answers
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I'm a junior in my company, and one of the coding rules they have is: "a constructor object must never fail" (i.e., never throw). So what if I give them an invalid parameter? Then, the ...
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Background I have a large C++ project which uses system error codes from errno.h, in C style. int Cls::foo(A arg, O* out) { if (!validate(arg)) return -EINVAL; if (!out) return -EINVAL; return 0;...
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We have a large(ish) real-time embedded system. It's VxWorks, if that makes any difference. It has some C code in DKMs, but is 95%+ in C++. It has absolutely no exception handling, nor Posix signal ...
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I am currently implementing a library in Rust that implements a proprietary serial protocol. The protocol specifies several enum values, that mostly are returned by the hardware as u8s (bytes), but ...
Richard Neumann's user avatar
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2 answers
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I asked this questions on StackOverflow but it's definitely a bit too broad. Even for this website, although the question is about software design, it might not be enough "focused". I am ...
lux_piromani's user avatar
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1 answer
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I have an endpoint in API 1 (my api) that queries API 2 (another companies api) to view and edit objects stored in API 2's database. API 1 is essentially acting as a wrapper service around API 2, ...
Hazzinator's user avatar
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1 answer
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Imagine a simple set up of an API and a 2nd service, where the API pushes some msgs to the message queue and the service pulls them and processes them. Now, if an error occurs while processing a msg, ...
Milkncookiez's user avatar
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