From b596ffb838c3e4513601f1715e1aab64744db18c Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Daniel=20Kr=C3=BCgler?=
Date: Sat, 4 Nov 2023 16:14:11 +0100
Subject: [PATCH] New issue from Eric Niebler: ""Required behavior" too
narrowly defined"
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+"Required behavior" too narrowly defined
+
+Eric Niebler
+03 Nov 2023
+99
+
+
+
+The library's definition of the term "required behavior" () makes it specific to
+certain replaceable functions such as the replaceable global allocation functions. Notably, it is not one of the elements
+that are allowed to appear in the descriptions of general function semantics. That is, it isn't in the list in
+ p3.
+
+However, the specification of the random number generator library uses "Required behavior" as such a descriptive element
+of its functions' semantics (e.g., ).
+
+I think that's a fine use of "Required behavior", so I would like the term to be more generally applicable to the behavior
+of any stdlib function that may be customized by users. This is relevant for std::execution, where algorithms are
+customizable but the customizations are required to behave a certain way.
+
+Daniel:
+
+Bullet (2.4) of also contradicts to the more narrow definition of
+ by suddenly extending it to "destructor operations".
+
+
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+