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11 lines
386 B
11 lines
386 B
var isCallable = require('../internals/is-callable');
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var getBuiltIn = require('../internals/get-built-in');
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var USE_SYMBOL_AS_UID = require('../internals/use-symbol-as-uid');
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module.exports = USE_SYMBOL_AS_UID ? function (it) {
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return typeof it == 'symbol';
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} : function (it) {
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var $Symbol = getBuiltIn('Symbol');
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return isCallable($Symbol) && Object(it) instanceof $Symbol;
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};
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