ruby #tap in elixir

ruby_tap_in_elixir.ex

iex(1)> defmodule Util do
...(1)>   def tap(input, func) do
...(1)>     func.(input)
...(1)>     input
...(1)>   end
...(1)> end
{:module, Util,
 <<70, 79, 82, 49, 0, 0, 4, 212, 66, 69, 65, 77, 69, 120, 68, 99, 0, 0, 0, 164, 131, 104, 2, 100, 0, 14, 101, 108, 105, 120, 105, 114, 95, 100, 111, 99, 115, 95, 118, 49, 108, 0, 0, 0, 4, 104, 2, ...>>,
 {:tap, 2}}
iex(2)> import Util
nil
iex(3)> require Logger
nil
iex(4)> "some very very long error message" |> tap(&Logger.debug/1) |> raise
** (RuntimeError) some very verylong error message

[debug] some very very long error message