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[stmt.while] Add grammar #6494

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[stmt.while] Add grammar #6494

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14 changes: 9 additions & 5 deletions source/statements.tex
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Original file line number Diff line number Diff line change
Expand Up @@ -558,7 +558,11 @@

\pnum
\indextext{statement!declaration in \tcode{while}}%
A \keyword{while} statement is equivalent to
A \keyword{while} statement
\begin{ncsimplebnf}
\keyword{while} \terminal{(} condition \terminal{)} statement
\end{ncsimplebnf}
is equivalent to
\begin{ncsimplebnf}
\exposid{label} \terminal{:}\br
\terminal{\{}\br
Expand All @@ -569,8 +573,8 @@
\terminal{\}}
\end{ncsimplebnf}
\begin{note}
The variable created in the condition is destroyed and created with each
iteration of the loop.
The variable created in the \grammarterm{condition}
is destroyed and created with each iteration of the loop.
\begin{example}
\begin{codeblock}
struct A {
Expand All @@ -586,8 +590,8 @@
}
\end{codeblock}
In the while-loop, the constructor and destructor are each called twice,
once for the condition that succeeds and once for the condition that
fails.
once for the \grammarterm{condition} that succeeds and
once for the \grammarterm{condition} that fails.
\end{example}
\end{note}

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