From 5bc5016a14bc872a8315cddc629f8171a9ccd62e Mon Sep 17 00:00:00 2001
From: Alec Theriault <alec.theriault@gmail.com>
Date: Tue, 21 Apr 2020 10:53:28 -0400
Subject: Fallback to `hiDecl` when `extractDecl` fails
Sometimes, the declaration being exported is a subdecl (for instance, a
record accessor getting exported at the top-level). For these cases,
Haddock has to find a way to produce some synthetic sensible top-level
declaration. This is done with `extractDecl`.
As is shown by #1067, this is sometimes impossible to do just at a
syntactic level (for instance when the subdecl is re-exported). In these
cases, the only sensible thing to do is to try to reify a declaration
based on a GHC `TyThing` via `hiDecl`.
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+<html xmlns="http://www.w3.org/1999/xhtml"
+><head
+ ><meta http-equiv="Content-Type" content="text/html; charset=UTF-8"
+ /><meta name="viewport" content="width=device-width, initial-scale=1"
+ /><title
+ >Bug1067B</title
+ ><link href="#" rel="stylesheet" type="text/css" title="Linuwial"
+ /><link rel="stylesheet" type="text/css" href="#"
+ /><link rel="stylesheet" type="text/css" href="#"
+ /><script src="haddock-bundle.min.js" async="async" type="text/javascript"
+ ></script
+ ><script type="text/x-mathjax-config"
+ >MathJax.Hub.Config({ tex2jax: { processClass: "mathjax", ignoreClass: ".*" } });</script
+ ><script src="https://cdnjs.cloudflare.com/ajax/libs/mathjax/2.7.5/MathJax.js?config=TeX-AMS-MML_HTMLorMML" type="text/javascript"
+ ></script
+ ></head
+ ><body
+ ><div id="package-header"
+ ><span class="caption empty"
+ > </span
+ ><ul class="links" id="page-menu"
+ ><li
+ ><a href="#"
+ >Contents</a
+ ></li
+ ><li
+ ><a href="#"
+ >Index</a
+ ></li
+ ></ul
+ ></div
+ ><div id="content"
+ ><div id="module-header"
+ ><table class="info"
+ ><tr
+ ><th
+ >Safe Haskell</th
+ ><td
+ >Safe-Inferred</td
+ ></tr
+ ></table
+ ><p class="caption"
+ >Bug1067B</p
+ ></div
+ ><div id="synopsis"
+ ><details id="syn"
+ ><summary
+ >Synopsis</summary
+ ><ul class="details-toggle" data-details-id="syn"
+ ><li class="src short"
+ ><span class="keyword"
+ >pattern</span
+ > <a href="#"
+ >P</a
+ > :: <a href="#" title="Bug1067A"
+ >Foo</a
+ ></li
+ ></ul
+ ></details
+ ></div
+ ><div id="interface"
+ ><h1
+ >Documentation</h1
+ ><div class="top"
+ ><p class="src"
+ ><span class="keyword"
+ >pattern</span
+ > <a id="v:P" class="def"
+ >P</a
+ > :: <a href="#" title="Bug1067A"
+ >Foo</a
+ > <a href="#" class="selflink"
+ >#</a
+ ></p
+ ><div class="doc"
+ ><p
+ >A pattern</p
+ ></div
+ ></div
+ ></div
+ ></div
+ ></body
+ ></html
+>
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