From 5b0818e0a1ba1dac59b984b4d6ad26f29aad2b41 Mon Sep 17 00:00:00 2001
From: Samokhin Ilya <samokhin.ilya.97@gmail.com>
Date: Sun, 23 Jun 2019 10:09:47 +0300
Subject: [PATCH] changed back from impl Trait in fn parameter to support older
 compiler versions

---
 src/format/mod.rs | 8 +++++---
 1 file changed, 5 insertions(+), 3 deletions(-)

diff --git a/src/format/mod.rs b/src/format/mod.rs
index 565e648..a0a9333 100644
--- a/src/format/mod.rs
+++ b/src/format/mod.rs
@@ -334,13 +334,15 @@ const BAD_FORMAT:   ParseError = ParseError(ParseErrorKind::BadFormat);
 
 /// Tries to format given arguments with given formatting items.
 /// Internally used by `DelayedFormat`.
-pub fn format<'a>(
+pub fn format<'a, I>(
     w: &mut fmt::Formatter,
     date: Option<&NaiveDate>,
     time: Option<&NaiveTime>,
     off: Option<&(String, FixedOffset)>,
-    items: impl Iterator<Item=Item<'a>>,
-) -> fmt::Result {
+    items: I,
+) -> fmt::Result
+    where I: Iterator<Item=Item<'a>>
+{
     // full and abbreviated month and weekday names
     static SHORT_MONTHS: [&'static str; 12] =
         ["Jan", "Feb", "Mar", "Apr", "May", "Jun", "Jul", "Aug", "Sep", "Oct", "Nov", "Dec"];