From c5c58c86b9c503d8de19da356a5a5cffb59fbe84 Mon Sep 17 00:00:00 2001
From: Kevin K <kbknapp@gmail.com>
Date: Thu, 10 Mar 2016 16:36:23 -0500
Subject: [PATCH] fix(From Usage): fixes a bug where adding empty lines werent
 ignored

---
 src/app/mod.rs | 7 ++++---
 1 file changed, 4 insertions(+), 3 deletions(-)

diff --git a/src/app/mod.rs b/src/app/mod.rs
index e915e256e76..cd252ed1f41 100644
--- a/src/app/mod.rs
+++ b/src/app/mod.rs
@@ -428,9 +428,10 @@ impl<'a, 'b> App<'a, 'b> {
     /// # ;
     /// ```
     pub fn args_from_usage(mut self, usage: &'a str) -> Self {
-        for l in usage.lines() {
-            if l.len() == 0 { continue; }
-            self.p.add_arg(&Arg::from_usage(l.trim()));
+        for line in usage.lines() {
+            let l = line.trim();
+            if l.is_empty() { continue; }
+            self.p.add_arg(&Arg::from_usage(l));
         }
         self
     }