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| author | Tim Baumann <tim@timbaumann.info> | 2017-08-06 11:33:38 +0200 |
|---|---|---|
| committer | Alexander Biehl <alexbiehl@gmail.com> | 2017-08-06 11:33:38 +0200 |
| commit | 3fddb62913c72f29843335aa796c2e444ded1608 (patch) | |
| tree | a3cccdacd8e546e527488009ebd5d9c815be46d3 /haddock-api/src/Haddock/Types.hs | |
| parent | 4d765e3cd0a735f9a7e8d13fb6633f9ee534fbfb (diff) | |
Fix: Generate pattern signatures for constructors exported as patterns (#663)
* Fix pretty-printing of pattern signatures
Pattern synonyms can have up to two contexts, both having a
different semantic meaning: The first holds the constraints
required to perform the matching, the second contains the
constraints provided by a successful pattern match. When the
first context is empty but the second is not it is necessary
to render the first, empty context.
* Generate pattern synonym signatures for ctors exported as patterns
This fixes #653.
* Simplify extractPatternSyn
It is not necessary to generate the simplest type signature since
it will be simplified when pretty-printed.
* Add changelog entries for PR #663
* Fix extractPatternSyn error message
Diffstat (limited to 'haddock-api/src/Haddock/Types.hs')
| -rw-r--r-- | haddock-api/src/Haddock/Types.hs | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/haddock-api/src/Haddock/Types.hs b/haddock-api/src/Haddock/Types.hs index de599bd8..724f59bc 100644 --- a/haddock-api/src/Haddock/Types.hs +++ b/haddock-api/src/Haddock/Types.hs @@ -579,6 +579,12 @@ makeModuleQual qual aliases mdl = OptFullQual -> FullQual OptNoQual -> NoQual +-- | Whether to hide empty contexts +-- Since pattern synonyms have two contexts with different semantics, it is +-- important to all of them, even if one of them is empty. +data HideEmptyContexts + = HideEmptyContexts + | ShowEmptyToplevelContexts ----------------------------------------------------------------------------- -- * Error handling |