From de03e9764377f253cfe9d70356adccbe2baf1525 Mon Sep 17 00:00:00 2001
From: Mitchell Hashimoto <mitchell.hashimoto@gmail.com>
Date: Fri, 10 May 2013 16:41:35 -0700
Subject: [PATCH] packer: More comments/docs

---
 packer/environment.go | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/packer/environment.go b/packer/environment.go
index 4d7855dcd..2e15562e1 100644
--- a/packer/environment.go
+++ b/packer/environment.go
@@ -10,8 +10,10 @@ import (
 	"strings"
 )
 
+// The function type used to lookup Builder implementations.
 type BuilderFunc func(name string) (Builder, error)
 
+// The function type used to lookup Command implementations.
 type CommandFunc func(name string) (Command, error)
 
 // The environment interface provides access to the configuration and