From fef11154fb7430d1cbf04a672aabb366e456a368 Mon Sep 17 00:00:00 2001
From: Kevin K <kbknapp@gmail.com>
Date: Sun, 8 May 2016 21:33:27 -0400
Subject: [PATCH] imp(Groups): formats positional args in groups in a better
 way

---
 src/app/parser.rs | 8 ++++----
 src/errors.rs     | 5 +++++
 2 files changed, 9 insertions(+), 4 deletions(-)

diff --git a/src/app/parser.rs b/src/app/parser.rs
index 95170a0c909..dbd6ba97d5a 100644
--- a/src/app/parser.rs
+++ b/src/app/parser.rs
@@ -303,7 +303,7 @@ impl<'a, 'b> Parser<'a, 'b>
                 continue;
             }
             if let Some(p) = self.positionals.values().filter(|x| &x.name == &p).next() {
-                pmap.insert(p.index, p.to_string());
+                pmap.insert(p.index, p.name.to_owned());
             }
         }
         for (_, s) in pmap {
@@ -324,7 +324,7 @@ impl<'a, 'b> Parser<'a, 'b>
         for g in grps.into_iter() {
             let g_string = self.args_in_group(g)
                                .join("|");
-            ret_val.push_back(format!("[{}]", &g_string[..g_string.len()]));
+            ret_val.push_back(format!("<{}>", &g_string[..g_string.len()]));
         }
 
         ret_val
@@ -683,7 +683,7 @@ impl<'a, 'b> Parser<'a, 'b>
             if let Some(pos) = self.positionals.values().filter(|p| &p.name == &k).next() {
                 if let Some(ref bl) = pos.blacklist {
                     if bl.contains(&name) {
-                        return Some(pos.to_string());
+                        return Some(pos.name.to_owned());
                     }
                 }
             }
@@ -757,7 +757,7 @@ impl<'a, 'b> Parser<'a, 'b>
                                  .values()
                                  .filter(|p| &p.name == n)
                                  .next() {
-                args.push(p.to_string());
+                args.push(p.name.to_owned());
             }
         }
 
diff --git a/src/errors.rs b/src/errors.rs
index ef1ae7df54e..dc33c597443 100644
--- a/src/errors.rs
+++ b/src/errors.rs
@@ -354,6 +354,11 @@ impl Error {
         process::exit(0);
     }
 
+    #[doc(hidden)]
+    pub fn write_to<W: Write>(&self, w: &mut W) -> io::Result<()> {
+        write!(w, "{}", self.message)
+    }
+
     #[doc(hidden)]
     pub fn argument_conflict<'a, 'b, A, O, U>(arg: &A, other: Option<O>, usage: U) -> Self
         where A: AnyArg<'a, 'b> + Display,