For questions on writing functions (pure or using Set/SetDelayed) for any purpose, including the features that may be incorporated in those functions, such as options, patterns and conditions.
For questions on writing functions (pure or using Set/SetDelayed) for any purpose, including the features that may be incorporated in those functions, such as options, patterns and conditions.
For questions about built-in functions, please use the tag functions. Pure functions should be under functional-style. Issues of syntax, options, patterns and argument-holding should use the respective tag: syntax, options, pattern-matching or evaluation (or attributes).
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