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PL Perspectives

Perspectives on computing and technology from and for those with an interest in programming languages.
Undefined Behavior deserves a better reputation

Undefined Behavior deserves a better reputation

“Undefined Behavior” often has a bad reputation. But what, really, is Undefined Behavior, and is it actually that bad?
In this blog post, I will look at this topic from a PL perspective, and argue that Undefined Behavior is a valuable tool in a language designer’s toolbox.

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