Higher-order functions: Difference between revisions

=={{header|Elixir}}==

<lang elixir>iex(1)> defmodule RC do

...(1)> def first(f), do: f.()

...(1)> def second, do: :hello

...(1)> end

{:module, RC,

<<70, 79, 82, 49, 0, 0, 4, 224, 66, 69, 65, 77, 69, 120, 68, 99, 0, 0, 0, 142,

131, 104, 2, 100, 0, 14, 101, 108, 105, 120, 105, 114, 95, 100, 111, 99, 115, 95

, 118, 49, 108, 0, 0, 0, 2, 104, 2, ...>>,

{:second, 0}}

iex(2)> RC.first(fn -> RC.second end)

:hello

iex(3)> RC.first(&RC.second/0) # Another expression

:hello

iex(4)> f = fn -> :world end # Anonymous function

#Function<20.54118792/0 in :erl_eval.expr/5>

iex(5)> RC.first(f)

:world</lang>