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Falsehoods programmers believe about languages
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this post was submitted on 06 Mar 2025
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Programming
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Assuming yes and no means true and false, c has numbers (1, 0) for yes and no and c++ can use those numbers for yes and no because it is a superset of c.
Technically, it's 0 and non-0 but I always use 1. They are integers rather than keywords.
The article is not about programming languages 🫠
Technically, 0 is false and anything else is true. !0 is 1, though, IIRC
As far as C goes, 1 is true and 0 is false.
In terms of POSIX exit codes, 0 is success and 1 is error.
I think more specifically for C, 0 is false and anything nonzero is true. Idk about NaN/inf.
True is anything other than zero in C.
Confidently incorrect.
Until you use exit codes, which flips the logic.
Jesus. I mistyped that horrendously to make a point about !0
I read my comment just now waking up and went wtf
~~That's what I meant so I've edited my comment to hopefully make that a bit clearer.~~ Having actually tested it, because in C++ I use true/false, it is 0 that equals false and anything else is true. You'll have to forgive my lack of clarity. It's 03:02 and I've had about 2 hours sleep tonight and won't be getting any more. Time for a coffee.