we will create a function called LoadConfig that will load up our JSON configuration file

function declaration syntax looks like this. Functions in Go have zero or more arbitrary amount of inputs and outputs We have to annotate the types h

Lets create another double function, but instead of returning a value, lets modify the value

Lets create a more advanced function. parseName, which will take a name as input and split it on spaces separators. The function will return 2 values,

a pointer to a type is denoted with a *

a map is a typed key-value store in go. You can add items by specifying the key you want to associate it with. You can also look these items up later.

Every Command type program in Go requires you to have a 'main' function inside the 'main' package. This will be your entrypoint into the application a

functions are the easiest way to abstract code in Go. and it is the primary way that packages communicate with each other

if you are not familiar with them, pointers can feel pretty daunting. Fortunately, Go prevents you from doing some terrible things with pointers that