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cascade syntax for JS

View cascade.js
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// inspired by https://github.com/raganwald/homoiconic/blob/master/2011/11/sans-titre.md#readme
 
// traditional method chaining with combinators:
console.log(range(1, 3)
.concat(range(4, 6))
.map(function(x) { return x * x })
.filter(function(x) { return x % 2 === 0 })
.reverse());
 
// method chaining with cascades:
array
->pop()
->pop()
->pop();
 
path
->moveTo(10, 10)
->stroke("red")
->fill("blue")
->ellipse(50, 50);
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