programming-elixir-ch5-invoking-functions.ex

# How to invoke an anonymous function in Elixir

greet = fn (name) -> "Hello, #{name}" end
greet.("Willson") # Notice the dot right after variable name but before the opening parentheses

# How to invoke a named function in Elixir

defmodule Greeter do # This is an Elixir module, and for the purposes of this example, it's simply a container for named functions
  def greet(name), do: "Hello #{name}" # Here we're defining a new named function `greet`
end

Greeter.greet(name) # And here we're invoking the named function. Notice that there isn't a dot right after the function name and before the opening parentheses