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Re: [v3 PATCH] Implement LWG 2769, Redundant const in the return type of any_cast(const any&).

From: Jonathan Wakely <jwakely at redhat dot com>
To: Ville Voutilainen <ville dot voutilainen at gmail dot com>
Cc: libstdc++ <libstdc++ at gcc dot gnu dot org>, "gcc-patches at gcc dot gnu dot org" <gcc-patches at gcc dot gnu dot org>
Date: Fri, 16 Dec 2016 11:30:34 +0000
Subject: Re: [v3 PATCH] Implement LWG 2769, Redundant const in the return type of any_cast(const any&).
Authentication-results: sourceware.org; auth=none
References: <CAFk2RUZfq4rZN+8ui1Nmww0thw9HdXERuh5uFXXnYJxq04+vJg@mail.gmail.com>

On 15/12/16 22:33 +0200, Ville Voutilainen wrote:

@@ -499,9 +501,10 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION
    {
      static_assert(any::__is_valid_cast<_ValueType>(),
	  "Template argument must be a reference or CopyConstructible type");
-      auto __p = any_cast<remove_reference_t<_ValueType>>(&__any);
+      using _Up = remove_cv_t<remove_reference_t<_ValueType>>;


This typedef is unused and should be removed.

OK with that change, thanks.

References:
- [v3 PATCH] Implement LWG 2769, Redundant const in the return type of any_cast(const any&).
  - From: Ville Voutilainen

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