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54 lines
1.5 KiB
54 lines
1.5 KiB
var createWrap = require('./_createWrap'); |
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/** Used to compose bitmasks for function metadata. */ |
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var WRAP_CURRY_RIGHT_FLAG = 16; |
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/** |
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* This method is like `_.curry` except that arguments are applied to `func` |
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* in the manner of `_.partialRight` instead of `_.partial`. |
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* |
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* The `_.curryRight.placeholder` value, which defaults to `_` in monolithic |
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* builds, may be used as a placeholder for provided arguments. |
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* |
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* **Note:** This method doesn't set the "length" property of curried functions. |
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* |
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* @static |
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* @memberOf _ |
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* @since 3.0.0 |
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* @category Function |
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* @param {Function} func The function to curry. |
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* @param {number} [arity=func.length] The arity of `func`. |
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* @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`. |
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* @returns {Function} Returns the new curried function. |
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* @example |
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* |
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* var abc = function(a, b, c) { |
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* return [a, b, c]; |
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* }; |
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* |
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* var curried = _.curryRight(abc); |
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* |
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* curried(3)(2)(1); |
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* // => [1, 2, 3] |
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* |
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* curried(2, 3)(1); |
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* // => [1, 2, 3] |
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* |
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* curried(1, 2, 3); |
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* // => [1, 2, 3] |
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* |
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* // Curried with placeholders. |
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* curried(3)(1, _)(2); |
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* // => [1, 2, 3] |
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*/ |
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function curryRight(func, arity, guard) { |
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arity = guard ? undefined : arity; |
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var result = createWrap(func, WRAP_CURRY_RIGHT_FLAG, undefined, undefined, undefined, undefined, undefined, arity); |
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result.placeholder = curryRight.placeholder; |
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return result; |
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} |
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// Assign default placeholders. |
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curryRight.placeholder = {}; |
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module.exports = curryRight;
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