[elixir/en] Adds elixir documentation on the pipe operator. (adambard…

…#2434)
xssc · Oct 9, 2016 · da26d35 · da26d35
1 parent a18f6a5
commit da26d35
Showing 1 changed file with 8 additions and 0 deletions.
diff --git 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
 ## ---------------------------