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- define(function () {
- // In Firefox, `Function.prototype.call` is faster than
- // `Function.prototype.apply`. In the optimized variant of
- // `bindCb` below, we exploit the fact that no Underscore
- // function passes more than four arguments to a callback.
- // **NOT general enough for use outside of Underscore.**
- function bindCb4(func, context) {
- if (context === void 0) return func;
- return function(a1, a2, a3, a4) {
- return func.call(context, a1, a2, a3, a4);
- };
- }
- return bindCb4;
- });
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