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'use strict';
var mixin = require('../../object/mixin')
, validFunction = require('../valid-function')
, re = /^\s*function\s*([\0-'\)-\uffff]+)*\s*\(([\0-\(\*-\uffff]*)\)\s*\{/;
module.exports = function () {
var match = String(validFunction(this)).match(re), fn;
fn = new Function('fn', 'return function ' + match[1].trim() + '(' +
match[2] + ') { return fn.apply(this, arguments); };')(this);
try { mixin(fn, this); } catch (ignore) {}
return fn;
};
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