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Re: [PATCH] libstdc++: LWG 3325 Constrain return type of transformation function for transform_view

From: Jonathan Wakely <jwakely at redhat dot com>
To: Patrick Palka <ppalka at redhat dot com>
Cc: gcc-patches at gcc dot gnu dot org, libstdc++ at gcc dot gnu dot org
Date: Tue, 25 Feb 2020 17:22:11 +0000
Subject: Re: [PATCH] libstdc++: LWG 3325 Constrain return type of transformation function for transform_view
References: <20200224232643.851356-1-ppalka@redhat.com> <20200224232643.851356-4-ppalka@redhat.com>

On 24/02/20 18:26 -0500, Patrick Palka wrote:

libstdc++-v3/ChangeLog:

	LWG 3325 Constrain return type of transformation function for
	transform_view
	* include/std/ranges (transform_view): Constrain the return type of the
	transformation function as per LWG 3325.
	* testsuite/std/ranges/adaptors/lwg3325_neg.cc: New test.

OK.

References:
- [PATCH] libstdc++: LWG 3292 iota_view is under-constrained
  - From: Patrick Palka
- [PATCH] libstdc++: LWG 3325 Constrain return type of transformation function for transform_view
  - From: Patrick Palka

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