The answer
Use the generic curry function. It is reusable and handles any number of arguments. Manual currying (nested functions) is verbose and error-prone for functions with many arguments.
Currying Use Cases and Best Practices
Should you use manual currying or a generic curry function?
More FAQs in Currying Use Cases and Best Practices
For partial application (preset configuration), function composition (pipe with filter/map/reduce), event handlers (preset action), and logging (preset level). Use when you need reusable, configurable functions.
For simple functions with 2-3 arguments (currying adds unnecessary complexity), when readability suffers, in performance-critical code (closures have overhead), and when the team is not familiar with functional programming.
Most specific first, least specific last. Configuration first, data last. For example: curry((baseUrl, endpoint, params) => ...) so you can preset baseUrl and endpoint, then pass params at call time.
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