elixir: add vars to hello world

2017-09-15 19:12:14 +08:00 · 2017-09-15 19:12:14 +08:00 · d63fedde3b
parent 6099a3117e
commit d63fedde3b
1 changed files with 2 additions and 1 deletions
--- a/elixir.md
+++ b/elixir.md
@ -17,7 +17,8 @@ weight: -10
 # hello.exs
 defmodule Greeter do
  def greet(name) do
-    IO.puts "Hello, " <> name <> "!"
+    message = "Hello, " <> name <> "!"
+    IO.puts message
  end
 end