From f6f6faeb77bceff83a4cf2d6ea467b90b3597b67 Mon Sep 17 00:00:00 2001
From: Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
Date: Thu, 20 Jul 2017 23:08:23 +0100
Subject: [PATCH] iq, jingle_ft: Simplify item counting with Iterator::count().

---
 src/iq.rs        | 2 +-
 src/jingle_ft.rs | 2 +-
 src/presence.rs  | 2 +-
 3 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/src/iq.rs b/src/iq.rs
index d1078b3..aed6a83 100644
--- a/src/iq.rs
+++ b/src/iq.rs
@@ -222,7 +222,7 @@ impl TryFrom<Element> for Iq {
                         return Err(Error::ParseError("Wrong number of children in iq element."));
                     }
                     error_payload = Some(StanzaError::try_from(elem.clone())?);
-                } else if root.children().collect::<Vec<_>>().len() != 2 {
+                } else if root.children().count() != 2 {
                     return Err(Error::ParseError("Wrong number of children in iq element."));
                 }
             } else {
diff --git a/src/jingle_ft.rs b/src/jingle_ft.rs
index 7bd0df8..85ac2df 100644
--- a/src/jingle_ft.rs
+++ b/src/jingle_ft.rs
@@ -91,7 +91,7 @@ impl TryFrom<Element> for Description {
         if !elem.is("description", ns::JINGLE_FT) {
             return Err(Error::ParseError("This is not a JingleFT description element."));
         }
-        if elem.children().collect::<Vec<_>>().len() != 1 {
+        if elem.children().count() != 1 {
             return Err(Error::ParseError("JingleFT description element must have exactly one child."));
         }
 
diff --git a/src/presence.rs b/src/presence.rs
index 30a2615..a0147c7 100644
--- a/src/presence.rs
+++ b/src/presence.rs
@@ -485,6 +485,6 @@ mod tests {
         presence.statuses.insert(String::from(""), status);
         let elem: Element = presence.into();
         assert!(elem.is("presence", ns::JABBER_CLIENT));
-        assert!(elem.children().collect::<Vec<_>>()[0].is("status", ns::JABBER_CLIENT));
+        assert!(elem.children().next().unwrap().is("status", ns::JABBER_CLIENT));
     }
 }