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[class.base.init] "Unfortunately" in standardese text #4497

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dangelog opened this issue Feb 16, 2021 · 2 comments
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[class.base.init] "Unfortunately" in standardese text #4497

dangelog opened this issue Feb 16, 2021 · 2 comments

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@dangelog
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Hi,

In [class.base.init] https://eel.is/c++draft/class.base.init#11 there's this example with comments:

struct A {
  A() = default;        // OK
  A(int v) : v(v) { }   // OK
  const int& v = 42;    // OK
};
A a1;                   // error: ill-formed binding of temporary to reference
A a2(1);                // OK, unfortunately

I understand why it's unfortunate (code compiles although it immediately produces a dangling reference), but I'm wondering, do words like "unfortunately" belong to the Standard? Is there a reference somewhere about what kind of "lexicon" / "register" (as in social linguistics) is one expected to use in the Standard itself?
@jwakely
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jwakely commented Feb 16, 2021

The ISO drafting directives define the language to be used, but this is just a comment in a non-normative example. It's not specifying anything, it's just commentary on what is defined elsewhere.

@jensmaurer
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This is a comment in a non-normative example, the phrasing is not actively insulting or disrespectful to anyone, and does offer probably helpful interpretation.

@tkoeppe, please re-open if you want a change here.

@jensmaurer jensmaurer changed the title "Unfortunately" in standardese text ([class.base.init]) [class.base.init] "Unfortunately" in standardese text Feb 16, 2021
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@jwakely @dangelog @jensmaurer