strong_typedef | class template that creates a new type | Development Tools library

by anthonywilliams C++ Version: Current License: No License

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kandi X-RAY | strong_typedef Summary

strong_typedef is a C++ library typically used in Utilities, Development Tools applications. strong_typedef has no bugs, it has no vulnerabilities and it has low support. You can download it from GitHub.

This is an implementation of a class template that provides a wrapper type that is convertible to and from the underlying type, but is distinct from it.

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strong_typedef has a low active ecosystem.

It has 79 star(s) with 4 fork(s). There are 7 watchers for this library.

It had no major release in the last 6 months.

There are 2 open issues and 1 have been closed. On average issues are closed in 6 days. There are no pull requests.

It has a neutral sentiment in the developer community.

The latest version of strong_typedef is current.

Quality

strong_typedef has no bugs reported.

Security

strong_typedef has no vulnerabilities reported, and its dependent libraries have no vulnerabilities reported.

License

strong_typedef does not have a standard license declared.

Check the repository for any license declaration and review the terms closely.

Without a license, all rights are reserved, and you cannot use the library in your applications.

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

Installation instructions are not available. Examples and code snippets are available.

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strong_typedef Key Features

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strong_typedef Examples and Code Snippets

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Community Discussions

Trending Discussions on strong_typedef

BOOST_STRONG_TYPEDEF and move semantics

Strong typedef for primitive types (BOOST_STRONG_TYPEDEF is not cutting it)

numeric_limits is wrong on a BOOST_STRONG_TYPEDEF

Compatibility issues between typedefs

QUESTION

BOOST_STRONG_TYPEDEF and move semantics

Asked 2020-May-05 at 20:47

From what I can see BOOST_STRONG_TYPEDEF does not support move semantics(no move ctor/assignment).

Is this just an oversight(nobody updated old macro) or is there a more fundamental reason why strong typedefs are limited in this way?

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ANSWER

Answered 2020-May-05 at 20:47

The fundamental reason would be that many boost libraries are still targetting pre-c++11 standard compilers¹, i.e. compilers that do not support move semantics.

I suppose for some compilers the tricks in Boost Move might be used, but I'm not sure that would be easy to apply transparently to strong typedefs.

However, I'd always roll my own strong typedef to do the job, as I've suggested fro other reasons, e.g. How do I strongly typedef non-primitive types?

¹ Boost Serialization is definitely one of these libraries

Source https://stackoverflow.com/questions/61617315

QUESTION

Strong typedef for primitive types (BOOST_STRONG_TYPEDEF is not cutting it)

Asked 2020-Mar-08 at 14:16

I have used BOOST_STRONG_TYPEDEF before, mainly with std::string and I got satisfactory results:

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ANSWER

Answered 2017-Nov-27 at 14:32

Reading http://www.boost.org/doc/libs/1_63_0/libs/serialization/doc/strong_typedef.html

The macro creates new classes for you already. The problem that you're having is that the conversion is working exactly as designed (as per the examples on their site; which also use primitive types).

I think the question about why they're different behaviors is different is the more interesting one; but ultimately the answer seems to be this isn't the library for you if you require this check to fail to compile.

Source https://stackoverflow.com/questions/47512925

QUESTION

numeric_limits is wrong on a BOOST_STRONG_TYPEDEF

Asked 2019-Nov-12 at 15:09

I was supposing that numeric_limits::max() on a BOOST_STRONG_TYPEDEF defined type would give the same result than on the underlying type. But the following program shows that it is not the case (compiled with g++ or clang++ with boost 1.65):

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ANSWER

Answered 2019-Nov-12 at 13:35

Your expectations are wrong. In a sense the effect you see is exactly what a strong typedef is made for. Your s is not int but a seperate type. std::numeric_limits cannot possibly know about your type, hence as with any other custom type you would have to provide your own specialization to get the expected output.

Source https://stackoverflow.com/questions/58819578

QUESTION

Compatibility issues between typedefs

Asked 2017-Mar-31 at 08:33

I am using BOOST_STRONG_TYPEDEF to prevent misuses of different string-based ID types. I am however running into compatibility problems between the original type and its typedef.

I have an std::string which contains a list of IDs, separated by commas. I need to store them into a set. The code would look like:

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ANSWER

Answered 2017-Mar-31 at 08:33

The whole point of strong typedefs is to require an explicit conversion when creating the strong typedef out of its underlying type. So use an explicit conversion syntax:

Source https://stackoverflow.com/questions/43135829

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

Vulnerabilities

No vulnerabilities reported

Install strong_typedef

You can download it from GitHub.

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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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