Basic functions

- [Narrator] Now that we've got our…control flow basics down,…let's move on to writing functions.…I'm going to go into my Adventureswift_Working folder,…and open up chapter six.…Functions are blocks of code…that we can define and call by name to perform whatever…tasks we've coded into them.…Let's write our first function here,…and we'll keep it super simple.…We start with the func keyword,…and then you name it.…

So we are going to name our function saluteHunter.…Now you need to add an open and close parenthesis,…and open and close curly braces.…Now we will get into this in a bit,…but those parenthesis are where our parameters would go…if we had any.…You can think of parameters as inputs…and return values as outputs.…So in our saluteHunter,…we are just going to have a print statement.…This is going to say, 'Hello there intrepid Hunter'.…

To call any function, you just use it's name.…So here saluteHunter and open and close parenthesis.…The next code will usually complete that for you.…So here in our debug log we've got,…