Essential Go Packages  Suggest an edit

Package initialization

Package can have one or more init methods.

Those methods are run only once before main function is executed.

package foo

func init() {
    // init code

If you just want to run the package initialization without referencing anything from it use the following import expression.

import _ "foo"

Package initialization function can be used to create initial state needed by code in the package.

Avoid temptation of doing too much in init function. Such implicit logic negatively impacts other people’s ability to understand the code.

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