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"yield is a two-way road" -> "yield is a two-way street"

"Two way street" is by far the more common and accepted way to say this. If you look up "two-way road" you will typically be redirected to "two-way street".
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Peter Roche 2020-02-06 21:47:38 -07:00 • committed by GitHub
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@ -314,11 +314,11 @@ alert(str); // 0..9A..Za..z
A generator composition is a natural way to insert a flow of one generator into another. It doesn't use extra memory to store intermediate results.
## "yield" is a two-way road
## "yield" is a two-way street
Until this moment, generators were similar to iterable objects, with a special syntax to generate values. But in fact they are much more powerful and flexible.
That's because `yield` is a two-way road: it not only returns the result outside, but also can pass the value inside the generator.
That's because `yield` is a two-way street: it not only returns the result outside, but also can pass the value inside the generator.
To do so, we should call `generator.next(arg)`, with an argument. That argument becomes the result of `yield`.