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Contents
var baseSlice = require('../internal/baseSlice'),
createWrapper = require('../internal/createWrapper'),
replaceHolders = require('../internal/replaceHolders');
/** Used to compose bitmasks for wrapper metadata. */
var PARTIAL_RIGHT_FLAG = 64;
/**
* This method is like `_.partial` except that partially applied arguments
* are appended to those provided to the new function.
*
* The `_.partialRight.placeholder` value, which defaults to `_` in monolithic
* builds, may be used as a placeholder for partially applied arguments.
*
* **Note:** This method does not set the `length` property of partially
* applied functions.
*
* @static
* @memberOf _
* @category Function
* @param {Function} func The function to partially apply arguments to.
* @param {...*} [args] The arguments to be partially applied.
* @returns {Function} Returns the new partially applied function.
* @example
*
* var greet = function(greeting, name) {
* return greeting + ' ' + name;
* };
*
* var greetFred = _.partialRight(greet, 'fred');
* greetFred('hi');
* // => 'hi fred'
*
* // using placeholders
* var sayHelloTo = _.partialRight(greet, 'hello', _);
* sayHelloTo('fred');
* // => 'hello fred'
*/
function partialRight(func) {
var partials = baseSlice(arguments, 1),
holders = replaceHolders(partials, partialRight.placeholder);
return createWrapper(func, PARTIAL_RIGHT_FLAG, null, partials, holders);
}
// Assign default placeholders.
partialRight.placeholder = {};
module.exports = partialRight;
Version data entries
14 entries across 7 versions & 1 rubygems