Compiler Error C2451
Visual Studio 2015
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The latest version of this topic can be found at Compiler Error C2451.
conditional expression of type 'type' is illegal
The conditional expression evaluates to an integer type.
The following sample generates C2451:
// C2451.cpp
class B {};
int main () {
B b1;
int i = 0;
if (b1) // C2451
// try the following line instead
// if (i)
;
}
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