包与模块
包与模块
如果某个包被多次导入的话,在执行的时候只会导入一次。当一个包被导入时,如果它还导入了其它的包,则先将其它的包包含进来,然后创建和初始化这个包的常量和变量

要注意的是,在
Links
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Go 1.11 Modules: Go 1.11 includes preliminary support for versioned modules as proposed here.
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2018-go-modules-by-example #Series#: Go modules by example is a series of work-along guides.
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2019-Using Go Modules: This blog post is a tutorial to introduction to the basic operations needed to get started using modules. A followup post will cover releasing modules for others to use.