StackOverflow2013

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plurals

PO
primarykey
Id
6305429
data
AcceptedAnswerId
0
AnswerCount
0
ClosedDate
CommentCount
0
CommunityOwnedDate
CreationDate
2011-06-10T11:02:12.937
FavoriteCount
0
LastActivityDate
2012-03-06T03:04:23.897
LastEditDate
2012-03-06T03:04:23.897
LastEditorUserId
452307
OwnerUserId
452307
ParentId
6305396
PostTypeId
2
Score
64
ViewCount
0
LastEditorDisplayName
text
Body
It assigns user input value to <code>a</code> and prints it out. it is done by using a <code>Statement Expression</code>. Statement Expressions are <a href="http://gcc.gnu.org/onlinedocs/gcc/Statement-Exprs.html#Statement-Exprs" rel="noreferrer">gnu gcc compiler extension</a> are not supported by the C/C++ standards. Hence any code which uses statement expression is non standard conforming and non portable. The IBM IBM XL C/C++ v7.0 also support Statement Expressions & it's doccumentation explains them aptly: Statement Expressions: <blockquote> A compound statement is a sequence of statements enclosed by braces. In GNU C, a compound statement inside parentheses may appear as an expression in what is called a <code>Statement expression</code>. </blockquote> <pre><code> .--------------. V | >>-(--{----statement--;-+--}--)-------------------------------->< </code></pre> <blockquote> The value of a statement expression is the value of the last simple expression to appear in the entire construct. If the last statement is not an expression, then the construct is of type void and has no value. </blockquote> Always compile your code by selecting a sandard in GCC, use one of the options <code>-ansi</code>, <code>-std=c90</code> or <code>-std=iso9899:1990</code>, <code>-std=c++03</code>, <code>-std=c++0x</code>; to obtain all the diagnostics required by the standard, you should also specify <code>-pedantic</code> (or <code>-pedantic-errors</code> if you want them to be errors rather than warnings)
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Title
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PostParentId
1. POWhat's this C++ syntax that puts a brace-surrounded block where an expression is expected?
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PostTypePostTypeId
1. PTAnswer
UserLastEditorUserId
1. USAlok Save
UserOwnerUserId
1. USAlok Save
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PostsAcceptedAnswerId
1. POWhat's this C++ syntax that puts a brace-surrounded block where an expression is expected?
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VotesPostIdCreationDate
1. VO
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2. VO
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3. VO
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