" ", /, . , , , , (, init(), , , , ect). go , , , .. import _ "somepackageImNotUsingReally"
EDIT: , init() ; https://golang.org/doc/effective_go.html#init - init, main. , init(), . , , , , , , - .
EDIT2: init , " , ", , PackageScopeVar := unexportedInitializerThatWritesToDisc() .