From 99ff74c1bd4d982cfc49f8ed962cd31f3c8d9ae7 Mon Sep 17 00:00:00 2001
From: Daniel Micay <danielmicay@gmail.com>
Date: Sun, 10 Feb 2013 16:30:17 -0500
Subject: [PATCH] make Option's iter method use a lifetime

---
 src/libcore/option.rs | 4 ++--
 src/libstd/treemap.rs | 8 ++++----
 2 files changed, 6 insertions(+), 6 deletions(-)

diff --git a/src/libcore/option.rs b/src/libcore/option.rs
index cfc2cba922602..c2af5f8b73b1c 100644
--- a/src/libcore/option.rs
+++ b/src/libcore/option.rs
@@ -201,7 +201,7 @@ pub pure fn map_default<T, U>(opt: &r/Option<T>, def: U,
 }
 
 #[inline(always)]
-pub pure fn iter<T>(opt: &Option<T>, f: fn(x: &T)) {
+pub pure fn iter<T>(opt: &r/Option<T>, f: fn(x: &r/T)) {
     //! Performs an operation on the contained value by reference
     match *opt { None => (), Some(ref t) => f(t) }
 }
@@ -313,7 +313,7 @@ impl<T> Option<T> {
 
     /// Performs an operation on the contained value by reference
     #[inline(always)]
-    pure fn iter(&self, f: fn(x: &T)) { iter(self, f) }
+    pure fn iter(&self, f: fn(x: &self/T)) { iter(self, f) }
 
     /**
     Gets an immutable reference to the value inside an option.
diff --git a/src/libstd/treemap.rs b/src/libstd/treemap.rs
index d8deea60725a0..59787c8036ddb 100644
--- a/src/libstd/treemap.rs
+++ b/src/libstd/treemap.rs
@@ -561,18 +561,18 @@ impl <K: Ord, V> TreeNode<K, V> {
 
 pure fn each<K: Ord, V>(node: &r/Option<~TreeNode<K, V>>,
                         f: fn(&(&r/K, &r/V)) -> bool) {
-    do node.map |x| {
+    do node.iter |x| {
         each(&x.left, f);
         if f(&(&x.key, &x.value)) { each(&x.right, f) }
-    };
+    }
 }
 
 pure fn each_reverse<K: Ord, V>(node: &r/Option<~TreeNode<K, V>>,
                                 f: fn(&(&r/K, &r/V)) -> bool) {
-    do node.map |x| {
+    do node.iter |x| {
         each_reverse(&x.right, f);
         if f(&(&x.key, &x.value)) { each_reverse(&x.left, f) }
-    };
+    }
 }
 
 // Remove left horizontal link by rotating right