[GitHub] [couchdb] iilyak commented on pull request #3529: Create couch lib

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iilyak commented on pull request #3529:
URL: https://github.com/apache/couchdb/pull/3529#issuecomment-827109368


   > Since there are only 3 or 4 functions, why not put them couch app?
   
   Few reasons:
   1. I remember Paul mentioned a vision where `couch` app would eventually go away so we shouldn't add new functions to it. He didn't mention the details so I interpret his vision as we would remove all functionality from `couch` app and then probably rename `fabric` into `couch`.
   2. There are few applications which depend on `couch`. This creates circular dependency between applications. We have a very nasty instance of this problem between `config` and `couch_log`. It makes things harder to use/release/test.
   3. We need a place where we can put auxiliary functions useful from any application. Things like:
   - couch_util:to_hex
   - couch_util:integer_to_boolean
   - function to manipulate JSON (extract and modify)
   The fact that these are in `couch` was a deal breaker few times already. 


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