C++ programmer's guide to undefined behavior: part 1 of 11

Your attention is invited to the first part of an e-book on undefined behavior. This is not a textbook, as it's intended for those who are already familiar with C++ programming. It's a kind of C++ programmer's guide to undefined behavior and to its most secret and exotic corners. The book was written by Dmitry Sviridkin and edited by Andrey Karpov.

C++ programmer's guide to undefined behavior: part 1 of 11

by Dmitry Sviridkin

From the article:

Many modern programming languages, especially newer ones, forbid implicit type conversions. So, in Rust, Haskell, or Kotlin, we can't just use float and int in the same arithmetic expression without explicitly stating in the code to convert one to the other. Python isn't as strict but still keeps strings, characters, and numbers from mixing. C++ doesn't forbid implicit conversion, which leads to a lot of erroneous code. Moreover, such code can contain both defined (but unexpected) and undefined behavior.

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