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This article mainly explains why C++ should not declare a class or enumerated value in a sentence and define the type of variable at the same time. The content in the article is simple and clear, and it is easy to learn and understand. Next, please follow the editor's train of thought slowly and deeply, together to study and learn why C++ should not declare a class or enumerated value in a sentence and define the type of variable at the same time.

Do not declare a class or enumerated type in a statement and define variables of that type at the same time

Reason (reason)

Mixing the definitions of types and entities is difficult and unnecessary.

Translator's note: programming is not a flashy skill, and there is no need to change the code structure in order to reduce the number of lines.

Example, bad (negative example) struct Data {/ *... * /} data {/ * * /}; Example, good (good example) struct Data {/ *... * /}; Data data {/ *... * /}; Enforcement (implementation recommendation)

If the last} of the class or enumerated type definition is not immediately followed by;, or prompt when; is missing.

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