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i++
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this post was submitted on 19 Jun 2023
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Isn't the evaluated value different from the expression?
i++returns the value of i before increasing.i-=-1would return the value after it has been increased. Wouldn't it be more correct to make it equal to++iIn the languages I know,
i-=-1orx=3are not expressions, but rather statements, so they do not evaluate to a value.So, this would be a compiler error:
Well, not all languages allow for fun programming :)
And that's why post- and pre-increment is non-existant in Python and Rust. It's an easy source for bugs for a noncritical abbreviation🤷
They're especially also a source of bugs, because they encourage manually incrementing indices and manually accessing array positions, which is almost never actually sensible.