Tag Archives: nullptr

Bitesize Modern C++: nullptr

Technical Consultant at Feabhas Ltd
Glennan is an embedded systems and software engineer with over 20 years experience, mostly in high-integrity systems for the defence and aerospace industry.

He specialises in C++, UML, software modelling, Systems Engineering and process development.
Glennan Carnie

What’s the value of a null pointer?


No doubt you’ve been involved in the (always heated) discussions about which is the correct one (By the way, if you said NUL you need to take yourself to one side and give yourself a stern talking to).

The arguments tend to go something like this:

0 is the only ‘well-known’ value a pointer can be set to that can be checked.
NULL is more explicit than just writing zero (even though it is just a […]

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