9 lines
273 B
Java
9 lines
273 B
Java
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"use strict";
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var objToString = Object.prototype.toString
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, isFunctionStringTag = RegExp.prototype.test.bind(/^[object [A-Za-z0-9]*Function]$/);
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module.exports = function (value) {
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return typeof value === "function" && isFunctionStringTag(objToString.call(value));
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};
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