| description | title | ms.date | f1_keywords | helpviewer_keywords | ms.assetid | ||
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Learn more about: Compiler Warning (level 1) C4549 |
Compiler Warning (level 1) C4549 |
11/04/2016 |
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81a07676-625b-4f58-9b0c-3ee22830b04a |
'operator' : operator before comma has no effect; did you intend 'operator'?
The compiler detected an ill-formed comma expression.
This warning is off by default. For more information, see Compiler Warnings That Are Off by Default.
The following sample generates C4549:
// C4549.cpp
// compile with: /W1
#pragma warning (default : 4549)
int main() {
int i = 0, k = 0;
if ( i == 0, k ) // C4549
// try the following line instead
// if ( i == 0 )
i++;
}