aaac7fed
 liuqimichale
add
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"use strict";
var indexOf = require("./e-index-of")
, every = Array.prototype.every
, isFirst;
isFirst = function (value, index) {
return indexOf.call(this, value) === index;
};
module.exports = function () {
return every.call(this, isFirst, this);
};
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