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xat/gist:a9fae4828b6defd013ea

Created November 7, 2014 22:42
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last.js
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gistfile1.js
var last = function(fn, l) {
return function() {
var args = Array.prototype.slice.call(arguments);
args.push(l);
return l = fn.apply(null, args);
};
};
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xat commented Nov 7, 2014 

// example
var exp = last(function(l) { return l*2; }, 1);

exp(); // 2
exp(); // 4
exp(); // 8
exp(); // 16
//... and so on

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