In Go, what are the special meanings of file names starting with '_'?

In Go language, file names start with "_" and do not have a special meaning stipulated by language specifications. The documentation of Go language itself does not explain this naming method. The name of Go language packs is usually based on directly connected English words, such as cputicks .

However, in actual projects, file names or folders starting with "_" often appear, which are usually influenced by other programming languages ​​(such as Python), or naming specifications that are conventionally accepted by the project itself. For example, the _example folder is usually used to store sample code. This usage is not a mandatory requirement for Go, but a convention adopted by developers to facilitate management and distinguish files.

Therefore, when encountering files or folders starting with "_", you need to understand their purpose according to the naming specifications of the project itself. It may mean a private file, test file, sample code, or other special purpose, but its meaning depends entirely on the conventions of the project, rather than the provisions of the Go language itself.

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