Learning Functional Programming in Go

The solution 

The solution we're looking for would allow a new constructor to accept a variable number of parameters with the following characteristics:

• Predefining default values (where no parameter is passed for that particular setting)
• Only passing values that have meaning 
• Harnessing the power of the Go programming language to customize the value of the parameter passed

Much of this design comes from one of Rob Pike's blog posts.

Refer to self-referential functions and the design of options, by Rob Pike in his blog post at https://commandcenter.blogspot.com/2014/01/self-referential-functions-and-design.html.

Kudos for sharing the closure technique of returning a function literal in which we set the value of our server setting. We'll ...