带有值数组的Golang地图

Question

What does this statement mean in Go:

Student.bookMap=map[string][]*model.Books{}

Where Student is:

type Student struct{
    bookMap map[string][]*model.Books
}

and we have a model package

package model

type Books struct {
    bookName   string  `db:"Name"`
    bookAuthor string  `db:"Author"`
}

Answer 1

That statement is initializing the map Student.bookMap to an empty map (which has the following structure: key -> string, value -> slice of pointers of model.Books).