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authorAlec Theriault <alec.theriault@gmail.com>2020-04-15 09:21:09 -0400
committerAlec Theriault <alec.theriault@gmail.com>2020-04-15 07:30:51 -0700
commit8d83110789def9207463a035fa766b78ebf5fdd9 (patch)
tree4caec3efdcc4b60995712a9337086571858633ff /html-test/src/Bug679.hs
parentd8aaaba9414b149fa7941d364b6d4a3fbcc1a520 (diff)
Prune docstrings that are never rendered
When first creating a Haddock interface, trim `ifaceDocMap` and `ifaceArgMap` to not include docstrings that can never appear in the final output. Besides checking with GHC which names are exported, we also need to keep all the docs attached to instance declarations (it is much tougher to detect when an instance is fully private). This change means: * slightly smaller interface files (7% reduction on boot libs) * slightly less work to do processing docstrings that aren't used * no warnings in Haddock's output about private docstrings (see #1070) I've tested manually that this does not affect any of the boot library generated docs (the only change in output was some small re-ordering in a handful of instance lists). This should mean no docstrings have been incorrectly dropped.
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