[elixir/en] Adds elixir documentation on the pipe operator. (#2434)

1 files changed, 8 insertions, 0 deletions

diff --git a/elixir.html.markdown b/elixir.html.markdown
index 26a547c3..63b7aef2 100644
--- a/elixir.html.markdown
+++ b/elixir.html.markdown
@@ -325,6 +325,14 @@ defmodule MyMod do
   IO.inspect(@my_data) #=> 100
 end
 
+# The pipe operator |> allows you to pass the output of an expression
+# as the first parameter into a function. 
+
+Range.new(1,10)
+|> Enum.map(fn x -> x * x end)
+|> Enum.filter(fn x -> rem(x, 2) == 0 end)
+#=> [4, 16, 36, 64, 100]
+
 ## ---------------------------
 ## -- Structs and Exceptions
 ## ---------------------------