Struct and Interface in Go

We use Interface to group a set of method. You can think it as a list that all structs that have implemented the required method. If you missing one of the method, you can not in that interface.

We can see that Student, Worker, Human all have implemented the Info method, so the variable i with type person interface will work well.

output:

But what if I change the Human method to Hi() ?

output :

If you have any problem, feel free to ask me !

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