Golang language Constructors

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1. Definition of constructor function

Constructor, is a special method. It is used primarily to initialize an object when it is created, to assign an initial value to an object member variable, and to always use the new operator in the statement that creates the object. A particular class can have more than one constructor, which is an overload of the constructor, depending on the number of arguments or different types of arguments.

Golang does not have a related constructor definition and can only be created by using new.

2. Declaration of constructor function

Declares a struct structure:

Declares a global function that returns *STRUCT

OK, here is the constructor definition complete