Sigils

Built-In

Syntax	Description
~r'...'	Regular expression
~s'...'	String
~S'...'	Raw string
~c'...'	Character list
~w'...'	Word list
~W'...'	Raw word list
~s’'’…’’’	Heredoc

Delimiters

~r/.../
~r|...|
~r"..."
~r'...'
~r(...)
~r[...]
~r{...}
~r<...>

Custom sigils

defmodule MySigils do
    def sigil_a(string, [?d]), do: String.to_integer(string) * :math.pi / 180
    def sigil_a(string, [?r]), do: String.to_integer(string)
end

import MySigils

~a(90)d