enum.hpp | C17 compile-time enum reflection library | Reflection library

by BlackMATov C++ Version: Current License: MIT

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kandi X-RAY | enum.hpp Summary

enum.hpp is a C++ library typically used in Programming Style, Reflection applications. enum.hpp has no bugs, it has no vulnerabilities, it has a Permissive License and it has low support. You can download it from GitHub.

C++17 compile-time enum reflection library.

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Support

enum.hpp has a low active ecosystem.

It has 32 star(s) with 4 fork(s). There are 4 watchers for this library.

It had no major release in the last 6 months.

There are 2 open issues and 5 have been closed. On average issues are closed in 78 days. There are no pull requests.

It has a neutral sentiment in the developer community.

The latest version of enum.hpp is current.

Quality

enum.hpp has 0 bugs and 0 code smells.

Security

enum.hpp has no vulnerabilities reported, and its dependent libraries have no vulnerabilities reported.

enum.hpp code analysis shows 0 unresolved vulnerabilities.

There are 0 security hotspots that need review.

License

enum.hpp is licensed under the MIT License. This license is Permissive.

Permissive licenses have the least restrictions, and you can use them in most projects.

Reuse

enum.hpp releases are not available. You will need to build from source code and install.

Installation instructions, examples and code snippets are available.

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enum.hpp Key Features

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enum.hpp Examples and Code Snippets

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Community Discussions

Trending Discussions on enum.hpp

Strange semantic behaviour of boost spirit x3 after splitting

What's this ellipsis in c++ : #define MBGL_DEFINE_ENUM(T, values...)?

pure virtual c++ class wrapped in rice/ruby raises a TypeError ("is not a class (Module)") at runtime

QUESTION

Strange semantic behaviour of boost spirit x3 after splitting

Asked 2019-Jun-06 at 21:03

I came across a strange behaviour of boost spirit x3, after I splittet my grammar up into the recommended parser.hpp, parser_def.hpp, parser.cpp files. My example gramar parses some kind of easy enums:

...

ANSWER

Answered 2017-Jan-21 at 22:46

I've found the cause of the bug.

The bug is with the fact that the expect directive takes it subject parser by value, which is before the parser::impl::identifier initializer runs.

To visualize, imagine the static initializer for parser::impl::enum_parser running before parser::impl::identifier. This is valid for a compiler to do.

The copy, therefore, has an uninitialized name field, which fails as soon as the expectation point tries to construct the x3::expectation_failure with the which_ member, because constructing a std::string from a nullptr is illegal.

All in all, I fear the root cause here is Static Initialization Order Fiasco. I'll see whether I can fix it and submit a PR.

WORKAROUND:

An immediate workaround is to list the order of the source files in reverse, so that use comes after definition:

Source https://stackoverflow.com/questions/41770375

QUESTION

What's this ellipsis in c++ : #define MBGL_DEFINE_ENUM(T, values...)?

Asked 2017-Dec-10 at 10:39

While trying to build mapboxgl-native with msvc 2017, I had errors with the following construct in their enum.hpp

#define MBGL_DEFINE_ENUM(T, values...)

This macro is used like this

I could not find the documentation for this c++ syntax.

Which version of c++ defines this ellipsis construct ? How is it called ?

...

ANSWER

Answered 2017-Dec-10 at 09:51

This isn't standard C++. The standard way would not name the ellipsis. It's a GCC extension.

Variadic macros in standard C++ look somewhat like this:

Source https://stackoverflow.com/questions/47737628

QUESTION

pure virtual c++ class wrapped in rice/ruby raises a TypeError ("is not a class (Module)") at runtime

Asked 2017-Sep-10 at 19:59

I am in the process of wrapping a C++ library called essentia as a ruby extension using the rice-ruby wrapper.

In this library, there are two pure virtual classes called essentia::standard::Algorithm and essentia::streaming::Algorithm. I have followed the instructions and created the following code:

algorithm.hpp ...

ANSWER

Answered 2017-Sep-08 at 08:34

This would be more of a comment, but I put it as an answer for the sake of formatting. Please let me know if it’s a wrong assumption so that I could remove it.

I believe the reason is ruby extension expects the namespaces to be capitalized and they are not. Please try to alias namespaces:

Source https://stackoverflow.com/questions/46110074

Community Discussions, Code Snippets contain sources that include Stack Exchange Network

Vulnerabilities

No vulnerabilities reported

Install enum.hpp

enum.hpp is a header-only library. All you need to do is copy the headers files from headers directory into your project and include them:.

Support

For any new features, suggestions and bugs create an issue on GitHub. If you have any questions check and ask questions on community page Stack Overflow .

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