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Comments on Default Rules: Code Golf I/O

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Default Rules: Code Golf I/O

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What input/output methods do you think should be allowed/disallowed while code golfing on this site? What guidelines for input/output methods do you think should be in place?

One method per answer, please. Vote up/down according to if you believe the given method should be allowed.

default-rules
posted over 3 years ago
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Quintec‭
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You may modify the input in-place

If a function takes an input a, it is acceptable that a contains the intended output after executing instead of other forms of output. Note that this means a must be mutable to begin with and the function must actually mutate a.

Example

posted about 3 years ago
3y ago
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Quintec‭
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Same discussion in another Meta post (1 comment)
Clarification (2 comments)
Clarification
Shaggy‭ wrote about 3 years ago
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I think it needs to be clarified that a must be mutable and that the operation(s) performed on it must mutate it. For example, in JavaScript, if a is a string or an integer then something like a+a wouldn't modify the original input. But if a is an array then some methods, like push & sort would modify the original but others, like map & filter, wouldn't.

Quintec‭ wrote about 3 years ago
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Thanks, edited.

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