Created
August 14, 2013 14:24
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| Readable::chain = (f)-> | |
| orig = this | |
| new class extends Readable | |
| _read: (size)-> | |
| if (orig.read size)? | |
| if ((f that)read size)? | |
| @push that | |
| else @push "" | |
| else | |
| @push null |
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