C ++模块 - 为什么他们从C ++ 0x中删除？他们以后会回来吗？ [英] C++ Modules - why were they removed from C++0x? Will they be back later on?

问题描述

我刚发现这个旧的C ++ 0x草稿关于C ++ 0x中的模块。

这个想法是通过仅写入.cpp文件，从而生成当前.h / .cpp系统

这看起来像一个非常好的功能。

但我的问题是：他们为什么从C ++ 0x中删除它？是因为太多的技术困难吗？时间不够？你认为他们会考虑使用C ++的外部版本吗？

解决方案

从 C ++ Evolution的状态（旧金山旧金山2008），Modules提案被归类为标题为单独的TR：

在发布C ++ 0x之前，这些主题被认为太重要了，太实验性，无法及时完成下一个标准。因此，这些功能将尽快通过技术报告提供。

模块提案尚未准备就绪，等待它会延迟完成C ++ 0x标准。它没有真正被删除，它从来没有被纳入工作文件。

I just discovered this old C++0x draft about modules in C++0x.

The idea was to get out of the current .h/.cpp system by writing only .cpp files which would then generate module files during compilation, which would then in turn be used by the other .cpp files.

This looks like a really great feature.

But my question is: why did they remove it from C++0x? Was it because of too many technical difficulties? Lack of time? And do you think they will consider working on it for an ulterior version of C++?

解决方案

From the State of C++ Evolution (Post San Francisco 2008), the Modules proposal was categorized as "Heading for a separate TR:"

These topics are deemed too important to wait for another standard after C++0x before being published, but too experimental to be finalised in time for the next Standard. Therefore, these features will be delivered by a technical report at the earliest opportunity.

The modules proposal just wasn't ready and waiting for it would have delayed finishing the C++0x standard. It wasn't really removed, it was just never incorporated into the working paper.

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