From 38f97ea10313ba9a8c6f57fbf73ff8daf5376e8b Mon Sep 17 00:00:00 2001
From: Erick Tryzelaar <erick.tryzelaar@gmail.com>
Date: Wed, 11 Sep 2013 12:52:17 -0700
Subject: std: Rename {Option,Result}::chain{,_err}* to {and_then,or_else}

---
 src/libextra/num/rational.rs | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

(limited to 'src/libextra/num')

diff --git a/src/libextra/num/rational.rs b/src/libextra/num/rational.rs
index 41e9a488bf8..1991d9f1b5b 100644
--- a/src/libextra/num/rational.rs
+++ b/src/libextra/num/rational.rs
@@ -273,9 +273,9 @@ impl<T: FromStr + Clone + Integer + Ord>
             return None
         }
         let a_option: Option<T> = FromStr::from_str(split[0]);
-        do a_option.chain |a| {
+        do a_option.and_then |a| {
             let b_option: Option<T> = FromStr::from_str(split[1]);
-            do b_option.chain |b| {
+            do b_option.and_then |b| {
                 Some(Ratio::new(a.clone(), b.clone()))
             }
         }
@@ -291,10 +291,10 @@ impl<T: FromStrRadix + Clone + Integer + Ord>
         } else {
             let a_option: Option<T> = FromStrRadix::from_str_radix(split[0],
                                                                    radix);
-            do a_option.chain |a| {
+            do a_option.and_then |a| {
                 let b_option: Option<T> =
                     FromStrRadix::from_str_radix(split[1], radix);
-                do b_option.chain |b| {
+                do b_option.and_then |b| {
                     Some(Ratio::new(a.clone(), b.clone()))
                 }
             }
-- 
cgit 1.4.1-3-g733a5