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Lodash _.curry

Overview

The _.curry method in lodash is a functional programming technique that enables developers to create reusable functions by breaking them down into smaller, composable functions. This method allows developers to pass arguments to the function one at a time, rather than all at once, which promotes flexibility and modularity.

When developers currying a function, they are essentially creating a chain of functions that can be called incrementally, each with one argument. The initial function takes the first argument, then returns a new function that takes the second argument, and so on until all of the arguments have been passed.

One of the key benefits of currying in functional programming is code reuse. With this approach, developers can compose a large number of unique functions from smaller, reusable primitives. They also can apply the curried function to different sets of data, which can be very helpful when dealing with collections or data streams.

In lodash, the curry function is typically used in conjunction with higher-order functions like map, filter or reduce. For example, when using _.map to transform a collection of objects, developers can provide a curried transform function that is then applied to each item in the collection.

Overall, the _.curry method is a powerful technique that enables developers to write more modular and configurable code that can be easily reused in different contexts.