function in if statement elixir code example

Example: elixir if statement

iex> if true do
...>   "This works!"
...> end
"This works!"

iex> unless true do
...>   "This will never be seen"
...> end
nil

iex> if nil do
...>   "This won't be seen"
...> else
...>   "This will"
...> end
"This will"