What does the blank identifier (_) represent when used in an import statement in Go?
- It represents a wildcard import, importing all symbols from the package
- It represents an alias for the imported package
- It represents importing the package only for its side effects
- It represents not importing the package at all
In Go, when the blank identifier (_) is used in an import statement like import _ "package", it indicates that the package is imported solely for its side effects, such as initializing global variables or registering functions, without making its symbols directly accessible in the code.
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