Your infuriating Ruby puzzle of the day is why does this code output "true"https://gist.github.com/Hamled/a7ea5a954008ff119bd0687638566223 …
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OK so the answer is that the `bar` at line 7 is interpreted as referring to the method, whereas the `bar` at line 11 is interpreted as referring to the local variable which the parser saw introduced at line 8
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Note that only the parser saw a new local variable `bar` being introduced at line 8. Line 8 is never actually executed
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Note also that the local variable `bar` introduced at line 8 has indescribably awful scope: it encompasses lines 8, 9, 10 and 11, but not 7
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Of course, every programming language has horrors such as this baked into it. The real question is this: are there industry standard Ruby linting tools in common use, which throw a build failure over such code? There are for e.g. JavaScript
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