11 lines
312 B
JavaScript
11 lines
312 B
JavaScript
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"use strict";
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var isNaturalValue = require("./is-natural-number-value")
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, toShortString = require("../to-short-string-representation");
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module.exports = function (arg) {
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var num = Number(arg);
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if (!isNaturalValue(arg)) throw new TypeError(toShortString(arg) + " is not a natural number");
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return num;
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};
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