Compiler Warning (level 4) C4389
Visual Studio 2015
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The latest version of this topic can be found at Compiler Warning (level 4) C4389.
operator' : signed/unsigned mismatch
An operation involved signed and unsigned variables. This could result in a loss of data.
The following sample generates C4389:
// C4389.cpp
// compile with: /W4
#pragma warning(default: 4389)
int main()
{
int a = 9;
unsigned int b = 10;
if (a == b) // C4389
return 0;
else
return 0;
};
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