From 066fdbe3775fb1e69282df4e9ea2914dc107b249 Mon Sep 17 00:00:00 2001
From: Carman Fu <96031125+Futarimiti@users.noreply.github.com>
Date: Sun, 4 Aug 2024 16:25:44 +0800
Subject: [PATCH] allow spaces between `\` and `case` in lambda case
 expressions

It is syntactically permitted to insert spaces between `\` and `case` in a lambda case expression e.g. `\  case x -> ...`. Fix pattern to match these
---
 indent/haskell.vim | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/indent/haskell.vim b/indent/haskell.vim
index 54f244a..bdbe92d 100644
--- a/indent/haskell.vim
+++ b/indent/haskell.vim
@@ -2,7 +2,7 @@
 " Filename: indent/haskell.vim
 " Author: itchyny
 " License: MIT License
-" Last Change: 2023/11/07 19:40:39.
+" Last Change: 2024/08/04 16:24:02.
 " =============================================================================
 
 if exists('b:did_indent')
@@ -174,7 +174,7 @@ function! GetHaskellIndent() abort
     endif
   endif
 
-  if line =~# '\v\\case\s*%(--.*)?$'
+  if line =~# '\v\\\s*<case>\s*%(--.*)?$'
     return match(line, '\v^\s*%(<where>|.*<let>)?\s*\zs') + &shiftwidth
   endif