From c12eebb3c812ea6ed2f523ce9fbb0e142d431a41 Mon Sep 17 00:00:00 2001
From: alexrp <xtzgzorex@gmail.com>
Date: Wed, 23 May 2012 03:08:30 +0200
Subject: [PATCH] @trusted pure nothrow const in some parts of std.variant.

---
 std/variant.d | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/std/variant.d b/std/variant.d
index 366d538dd..2d9552669 100644
--- a/std/variant.d
+++ b/std/variant.d
@@ -71,6 +71,8 @@ import std.traits, std.c.string, std.typetuple, std.conv, std.exception;
     import std.exception, std.stdio;
 //}
 
+@trusted:
+
 private template maxSize(T...)
 {
     static if (T.length == 1)
@@ -560,7 +562,7 @@ public:
      * ----
      */
 
-    @property bool hasValue() const
+    @property bool hasValue() const pure nothrow
     {
         // @@@BUG@@@ in compiler, the cast shouldn't be needed
         return cast(typeof(&handler!(void))) fptr != &handler!(void);
@@ -608,7 +610,7 @@ public:
      * $(LINK2 std_traits.html#ImplicitConversionTargets,ImplicitConversionTargets).
      */
 
-    @property bool convertsTo(T)()
+    @property bool convertsTo(T)() const
     {
         TypeInfo info = typeid(T);
         return fptr(OpID.testConversion, null, &info) == 0;