[expr.prim.lambda] Capture j so that it compiles #2941
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Capture j so that it compiles.
jensmaurer
approved these changes
Jun 24, 2019
tkoeppe
reviewed
Jun 24, 2019
source/expressions.tex
Outdated
| @@ -1589,7 +1589,7 @@ | |||
| auto x1 = [](int i){ return i; }; // OK: return type is \tcode{int} | |||
| auto x2 = []{ return { 1, 2 }; }; // error: deducing return type from \grammarterm{braced-init-list} | |||
| int j; | |||
| auto x3 = []()->auto&& { return j; }; // OK: return type is \tcode{int\&} | |||
| auto x3 = [&j]()->auto&& { return j; }; // OK: return type is \tcode{int\&} | |||
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This seems to be moving comments around; can you please adjust everything according to our usual comment placement guidance?
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I'm sorry. Just fixed the indent.
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Thanks - see wiki, the preferred comment columns are 20, 32, 40, 48, etc. Can you snap to one of those?
Fixed the indent.
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Hah, of course :-) I think we had this very issue before, where someone thought this is an excerpt from some function body. |
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The lambda captured nothing, but it returns the variable from the enclosing block scope. I assume this is editorial, and can easily be fixed by adding
&j.