C++核心準(zhǔn)則C.101:賦予容器值語義?

C.101: Give a container value semantics

C.101:賦予容器值語義?

Reason(原因)?

Regular objects are simpler to think and reason about than irregular ones. Familiarity.

常規(guī)對象相比非常規(guī)對象更容易理解和思考。這是親和度方面的意義。

Note(注意)

If meaningful, make a container Regular (the concept). In particular, ensure that an object compares equal to its copy.

如果可以理解，讓容器符合常規(guī)(概念)。尤其要保證對象和它的拷貝比較時結(jié)果相等。

Example(示例)?

void?f(const?Sorted_vector&?v)
{
????Sorted_vector?v2?{v};
????if?(v?!=?v2)
????????cout?<????//?...
}

Enforcement(實施建議)

???

原文鏈接

https://github.com/isocpp/CppCoreGuidelines/blob/master/CppCoreGuidelines.md#c101-give-a-container-value-semantics

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