From 2780ba9a366b3337d838f64ab74fe13eb8d51992 Mon Sep 17 00:00:00 2001
From: Hiroki Tokunaga <tokusan441@gmail.com>
Date: Mon, 15 Apr 2024 23:24:17 +0900
Subject: [PATCH] Do not insert an empty line after a standalone kind signature

---
 CHANGELOG.md                   | 2 ++
 TESTS.md                       | 2 ++
 src/HIndent/Ast/Declaration.hs | 1 +
 3 files changed, 5 insertions(+)

diff --git a/CHANGELOG.md b/CHANGELOG.md
index 454e54b07..774cea6e5 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -9,6 +9,7 @@
 ### Changed
 
 - The formatting style of import declarations with constructors ([#829]).
+- HIndent no longer inserts an empty line after a standalone kind signature ([#873]).
 
 ### Fixed
 
@@ -375,6 +376,7 @@ This version is accidentally pushlished, and is the same as 5.3.3.
 [@uhbif19]: https://github.com/uhbif19
 [@toku-sa-n]: https://github.com/toku-sa-n
 
+[#873]: https://github.com/mihaimaruseac/hindent/pull/873
 [#868]: https://github.com/mihaimaruseac/hindent/pull/868
 [#849]: https://github.com/mihaimaruseac/hindent/pull/849
 [#843]: https://github.com/mihaimaruseac/hindent/pull/843
diff --git a/TESTS.md b/TESTS.md
index 22a5f7759..50cf47af1 100644
--- a/TESTS.md
+++ b/TESTS.md
@@ -409,6 +409,8 @@ data family Foo a
 {-# LANGUAGE StandaloneKindSignatures #-}
 
 type Foo :: Type -> Type -> Type
+data Foo a b =
+  Foo a b
 ```
 
 Default declaration
diff --git a/src/HIndent/Ast/Declaration.hs b/src/HIndent/Ast/Declaration.hs
index 6db05a53c..2fe560a20 100644
--- a/src/HIndent/Ast/Declaration.hs
+++ b/src/HIndent/Ast/Declaration.hs
@@ -122,4 +122,5 @@ mkDeclaration GHC.DocD {} =
 
 isSignature :: Declaration -> Bool
 isSignature Signature {} = True
+isSignature StandaloneKindSignature {} = True
 isSignature _ = False