* Sometimes we need to work with strings as binary data. To convert a string to a slice of bytes (and vice-versa) do this: arr := []byte("test") fm

* The function template.Must is a convenience wrapper that panics when passed a non-nil error value, and otherwise returns the *Template unaltered. A

* If the title is valid, it will be returned along with a nil error value. If the title is invalid, the function will write a "404 Not Found" error to

TYPES CAN CONTAIN METHODS & RETURN

STRUCTS (TYPES) CAN CONTAIN METHODS

extern sum

Test errors

Test the os/ioutil/path/filepath

Test the string package

closure

we can use interface types as arguments to functions

you must capitalize the func name for it to export (be available, be public)

you must capitalize the func name for it to export (be available, be public)

Finds the maximum value in a given slice of float64

Finds the minimum value in a given slice of float64