[d24f17c] | 1 | var _curry2 =
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| 2 | /*#__PURE__*/
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| 3 | require("./internal/_curry2.js");
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| 4 | /**
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| 5 | * Wraps a function of any arity (including nullary) in a function that accepts
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| 6 | * exactly `n` parameters. Any extraneous parameters will not be passed to the
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| 7 | * supplied function.
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| 8 | *
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| 9 | * @func
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| 10 | * @memberOf R
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| 11 | * @since v0.1.0
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| 12 | * @category Function
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| 13 | * @sig Number -> (* -> a) -> (* -> a)
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| 14 | * @param {Number} n The desired arity of the new function.
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| 15 | * @param {Function} fn The function to wrap.
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| 16 | * @return {Function} A new function wrapping `fn`. The new function is guaranteed to be of
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| 17 | * arity `n`.
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| 18 | * @see R.binary, R.unary
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| 19 | * @example
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| 20 | *
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| 21 | * const takesTwoArgs = (a, b) => [a, b];
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| 22 | *
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| 23 | * takesTwoArgs.length; //=> 2
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| 24 | * takesTwoArgs(1, 2); //=> [1, 2]
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| 25 | *
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| 26 | * const takesOneArg = R.nAry(1, takesTwoArgs);
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| 27 | * takesOneArg.length; //=> 1
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| 28 | * // Only `n` arguments are passed to the wrapped function
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| 29 | * takesOneArg(1, 2); //=> [1, undefined]
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| 30 | * @symb R.nAry(0, f)(a, b) = f()
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| 31 | * @symb R.nAry(1, f)(a, b) = f(a)
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| 32 | * @symb R.nAry(2, f)(a, b) = f(a, b)
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| 33 | */
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| 34 |
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| 35 |
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| 36 | var nAry =
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| 37 | /*#__PURE__*/
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| 38 | _curry2(function nAry(n, fn) {
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| 39 | switch (n) {
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| 40 | case 0:
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| 41 | return function () {
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| 42 | return fn.call(this);
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| 43 | };
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| 44 |
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| 45 | case 1:
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| 46 | return function (a0) {
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| 47 | return fn.call(this, a0);
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| 48 | };
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| 49 |
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| 50 | case 2:
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| 51 | return function (a0, a1) {
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| 52 | return fn.call(this, a0, a1);
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| 53 | };
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| 54 |
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| 55 | case 3:
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| 56 | return function (a0, a1, a2) {
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| 57 | return fn.call(this, a0, a1, a2);
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| 58 | };
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| 59 |
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| 60 | case 4:
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| 61 | return function (a0, a1, a2, a3) {
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| 62 | return fn.call(this, a0, a1, a2, a3);
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| 63 | };
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| 64 |
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| 65 | case 5:
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| 66 | return function (a0, a1, a2, a3, a4) {
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| 67 | return fn.call(this, a0, a1, a2, a3, a4);
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| 68 | };
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| 69 |
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| 70 | case 6:
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| 71 | return function (a0, a1, a2, a3, a4, a5) {
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| 72 | return fn.call(this, a0, a1, a2, a3, a4, a5);
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| 73 | };
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| 74 |
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| 75 | case 7:
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| 76 | return function (a0, a1, a2, a3, a4, a5, a6) {
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| 77 | return fn.call(this, a0, a1, a2, a3, a4, a5, a6);
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| 78 | };
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| 79 |
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| 80 | case 8:
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| 81 | return function (a0, a1, a2, a3, a4, a5, a6, a7) {
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| 82 | return fn.call(this, a0, a1, a2, a3, a4, a5, a6, a7);
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| 83 | };
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| 84 |
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| 85 | case 9:
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| 86 | return function (a0, a1, a2, a3, a4, a5, a6, a7, a8) {
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| 87 | return fn.call(this, a0, a1, a2, a3, a4, a5, a6, a7, a8);
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| 88 | };
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| 89 |
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| 90 | case 10:
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| 91 | return function (a0, a1, a2, a3, a4, a5, a6, a7, a8, a9) {
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| 92 | return fn.call(this, a0, a1, a2, a3, a4, a5, a6, a7, a8, a9);
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| 93 | };
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| 94 |
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| 95 | default:
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| 96 | throw new Error('First argument to nAry must be a non-negative integer no greater than ten');
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| 97 | }
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| 98 | });
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| 99 |
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| 100 | module.exports = nAry; |
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