From 5b8118170088071386bb76e3d7a4b1ceb685e73a Mon Sep 17 00:00:00 2001
From: k-hara <k.hara.pg@gmail.com>
Date: Tue, 20 Sep 2011 23:11:55 +0900
Subject: [PATCH] Support conversions between class and interface

---
 std/conv.d | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/std/conv.d b/std/conv.d
index 24cb45e548e..48d639e6813 100644
--- a/std/conv.d
+++ b/std/conv.d
@@ -550,8 +550,8 @@ non-null and the target is null.
  */
 T toImpl(T, S)(S value)
     if (!isImplicitlyConvertible!(S, T) &&
-        is(S : Object) && !is(typeof(value.opCast!T()) : T) &&
-        is(T : Object) && !is(typeof(new T(value))))
+        (is(S == class) || is(S == interface)) && !is(typeof(value.opCast!T()) : T) &&
+        (is(T == class) || is(T == interface)) && !is(typeof(new T(value))))
 {
     static if (is(T == immutable))
     {