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[expr.unary.noexcept] Replace informative wording #6539

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[expr.unary.noexcept] Replace informative wording #6539

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8f480b2
[expr.unary.noexcept] replace informative wording
Eisenwave Aug 30, 2023
c980fb0
[expr.unary.noexcept] move note into first paragraph
Eisenwave Aug 31, 2023
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19 changes: 9 additions & 10 deletions source/expressions.tex
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Original file line number Diff line number Diff line change
Expand Up @@ -5042,28 +5042,27 @@
\pnum
\indextext{\idxcode{noexcept}}%
\indextext{expression!\idxcode{noexcept}}%
The \keyword{noexcept} operator determines whether the evaluation of its operand,
which is an unevaluated operand\iref{term.unevaluated.operand}, can throw an
exception\iref{except.throw}.

The \keyword{noexcept} operator
\begin{bnf}
\nontermdef{noexcept-expression}\br
\keyword{noexcept} \terminal{(} expression \terminal{)}
\end{bnf}

\pnum
The result of the \keyword{noexcept} operator is a prvalue of type \keyword{bool}.
has an \grammarterm{expression} \term{operand}
which is an unevaluated operand\iref{term.unevaluated.operand}.
The \keyword{noexcept} operator yields \keyword{true}
unless the full-expression of the operand
is potentially-throwing\iref{except.spec}.
\begin{note}
A \grammarterm{noexcept-expression}
is an integral constant expression\iref{expr.const}.
\end{note}

\pnum
The result of the \keyword{noexcept} operator is a prvalue of type \keyword{bool}.

\pnum
If the operand is a prvalue,
the temporary materialization conversion\iref{conv.rval} is applied.
The result of the \keyword{noexcept} operator is \keyword{true}
unless the full-expression of the operand
is potentially-throwing\iref{except.spec}.
\indextext{expression!unary|)}

\rSec3[expr.new]{New}
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