Functions That Accept Other Functions as Parameters
Let’s learn about functions that accept other functions as parameters.
We'll cover the following...
Functions can accept other functions as parameters. The best example of a function that accepts another function as an argument can be found in the sort package. We can provide the sort.Slice() function with another function as an argument that specifies the way sorting is implemented.
Signature of sort.Slice()
The signature of sort.Slice() is func Slice(slice interface{}, less func(i, j int) bool). This means the following: