In this book, you will find a number of text styles that distinguish between different kinds of information. Here are some examples of these styles and an explanation of their meaning.
Code words in text, database table names, folder names, filenames, file extensions, pathnames, dummy URLs, user input, and Twitter handles are shown as follows: "If you want an integer type back, you can use the
A block of code is set as follows:
defmodule MyMap do def map(, _) do  end def map([h|t], f) do [f.(h) | map(t, f)] end end square = fn x -> x * x end MyMap.map(1..5, square)
Any command-line input or output is written as follows:
iex(1)> IO.puts("Hello, World!") Hello, World! :ok iex(2)>
New terms and important words ...