how to use the curry function from lodash in javascript

The curry() function from lodash is a higher-order function that returns a curried version of a given function. Currying is a technique where a function that takes multiple arguments is transformed into a series of functions that each take a single argument.

Here is an example of how to use the curry() function from lodash:


index.tsx
const _ = require('lodash'); // Import lodash library

// Define a function that takes three arguments
function addThreeNumbers(a, b, c) {
  return a + b + c;
}

// Use curry() to create a curried version of the addThreeNumbers function
const curriedAdd = _.curry(addThreeNumbers);

// Call the curriedAdd function with one argument at a time
console.log(curriedAdd(1)(2)(3)); // Output: 6

// Call the curriedAdd function with multiple arguments at once
console.log(curriedAdd(1, 2)(3)); // Output: 6
console.log(curriedAdd(1)(2, 3)); // Output: 6
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In this example, we use curry() to create a curried version of the addThreeNumbers() function. We can call the curried function with one argument at a time using multiple function calls or with multiple arguments at once.

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related categories

javascript

lodash

functional programming

currying

higher-order functions