fj-curry

Curry a function

Installation

npm install fj-curry --save

Usage

var curry = require('fj-curry').curry;
function add(a, b, c) { return a+b+c; }

curry(add)(2)(3)(4); // => 9
curry(add)(2, 3)(4); // => 9
curry(add)(2, 3, 4); // => 9
curry(add)(2)(3, 4); // => 9

var curryN = require('fj-curry').curryN;
function add(a, b, c, d) { d = d || 0; return a+b+c; }

// curry only 3 of the 4 arguments
curryN(3, add)(2)(3)(4); // => 9
curryN(3, add)(2, 3)(4); // => 9
curryN(3, add)(2, 3, 4); // => 9
curryN(3, add)(2)(3, 4); // => 9

var curry1 = require('fj-curry').curry1;

parseInt('2', 2); // => NaN
curry1(parseInt)('2', 2); // => 2

var curry2 = require('fj-curry').curry2;
function add(a, b) { return a+b; }
curry2(add)(2)(3); // => 5

var curry3 = require('fj-curry').curry3;
function add(a, b, c) { return a+b+c; }
curry3(add)(2)(3)(4); // => 9

var curry4 = require('fj-curry').curry4;
function add(a, b, c, d) { return a+b+c+d; }
curry4(add)(2)(3)(4)(5); // => 14

API

curry

Curry all arguments (fn.length) of a function.

curry(fn)

Parameters

Name	Type	Description
fn	function	The function to be curryied

Returns

Type	Description
function	A curryied function

curryN

Curry n arguments of a function

curryN(n, fn)

Parameters

Name	Type	Description
n	int	n arguments will be curryied
fn	function	The function to be curryied

Returns

Type	Description
function	A curryied function

curry1-4

Curry 1, 2, 3, or 4 arguments of a function.

curry1(fn) curry2(fn) curry3(fn) curry4(fn)

Parameters

Name	Type	Description
fn	function	The function to be curryied

Returns

Type	Description
function	A curryied function