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52 lines
1.4 KiB
JavaScript
52 lines
1.4 KiB
JavaScript
var createCurry = require('../internal/createCurry');
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/** Used to compose bitmasks for wrapper metadata. */
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var CURRY_FLAG = 8;
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/**
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* Creates a function that accepts one or more arguments of `func` that when
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* called either invokes `func` returning its result, if all `func` arguments
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* have been provided, or returns a function that accepts one or more of the
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* remaining `func` arguments, and so on. The arity of `func` may be specified
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* if `func.length` is not sufficient.
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*
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* The `_.curry.placeholder` value, which defaults to `_` in monolithic builds,
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* may be used as a placeholder for provided arguments.
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*
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* **Note:** This method does not 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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* @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 a callback for functions 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 = _.curry(abc);
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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(1, 2)(3);
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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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* // using placeholders
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* curried(1)(_, 3)(2);
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* // => [1, 2, 3]
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*/
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var curry = createCurry(CURRY_FLAG);
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// Assign default placeholders.
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curry.placeholder = {};
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module.exports = curry;
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