snoyberg/conduit — comment on commit 68a497551fbef934966be52065b9afb457974d85
File:  line 0
By meteficha:

To be fair, it would be

```haskell
bsrc <- bufferSource $ sourceFile "myfile.txt"
keepOpen bsrc $$ isolate 20 =$ iterFile "first-20-bytes"
...
bsourceClose bsrc
```

Still, I don't have problems with the current approach.