Add input validation to a function
Use to harden a function against bad or malicious input.
Add robust input validation to the following {{language}} function.
Code:
{{code}}
Validation rules to enforce:
{{rules}}
Requirements:
- Reject invalid input early with clear error messages.
- Do not change the behavior for valid input.
- Use the language's idiomatic validation approach or a standard library.
- Guard against common pitfalls (empty values, wrong types, out-of-range, injection if relevant).
Return the updated function and a brief list of the cases you now handle.Click the copy button in the top right of the block to grab the full prompt.
Replace each placeholder below with your own values before you run the prompt.
- {{language}}
- {{code}}
- {{rules}}
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