From 7d8fcb4202b0a12ffbff9be30b0daef9cca7549a Mon Sep 17 00:00:00 2001
From: Watson <watson1978@gmail.com>
Date: Fri, 6 Jul 2012 14:54:42 +0900
Subject: [PATCH] get rid of uncatchable Objective-C exception in
 NSDictionary#{delete_if, select} which related to #124

---
 NSDictionary.m | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/NSDictionary.m b/NSDictionary.m
index 3f4d6e2be..db067e526 100644
--- a/NSDictionary.m
+++ b/NSDictionary.m
@@ -308,7 +308,8 @@
     CHECK_MUTABLE(rcv);
     RETURN_ENUMERATOR(rcv, 0, 0);
     NSMutableArray *ary = [NSMutableArray new];
-    for (id key in rcv) {
+    // TODO: should handle the element which is inserted in iterator block.
+    for (id key in [rcv allKeys]) {
 	id value = [rcv objectForKey:key];
 	if (RTEST(rb_yield_values(2, OC2RB(key), OC2RB(value)))) {
 	    [ary addObject:key];
@@ -325,7 +326,8 @@
     CHECK_MUTABLE(rcv);
     RETURN_ENUMERATOR(rcv, 0, 0);
     NSMutableDictionary *dict = [NSMutableDictionary new];
-    for (id key in rcv) {
+    // TODO: should handle the element which is inserted in iterator block.
+    for (id key in [rcv allKeys]) {
 	id value = [rcv objectForKey:key];
 	if (RTEST(rb_yield_values(2, OC2RB(key), OC2RB(value)))) {
 	    TRY_MOP([dict setObject:value forKey:key]);