Home » Extra libraries, Code snippets, applications etc. » C++ language problems and code snippets » Dumb bug. Improper use of Null
| Re: Improper use of Null [message #52613 is a reply to message #52333] |
Wed, 30 October 2019 08:11  |
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koldo
Messages: 3437
Registered: August 2008
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Senior Veteran |
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"A ship in the beach is a lighthouse to the sea" 
Other scenario to watch out for:
MyFunction(double val) {
if (IsNull(val))
Cout() << "Null";
else
Cout() << "Not Null";
}
...
MyFunction(Null); // "Null"
MyFunction(false ? 1 : Null); // "Not Null". The call sets INT_NULL instead of DOUBLE_NULL
Best regards
Iñaki
[Updated on: Wed, 30 October 2019 08:12] Report message to a moderator |
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