Fixes vint errors

Author: mattn

autoload/lsp/utils/diff.vim

@@ -9,7 +9,7 @@
 function! lsp#utils#diff#compute(old, new) abort
   let [l:start_line, l:start_char] = s:FirstDifference(a:old, a:new)
   let [l:end_line, l:end_char] =
-      \ s:LastDifference(a:old[l:start_line:], a:new[l:start_line:], l:start_char)
+      \ s:LastDifference(a:old[l:start_line :], a:new[l:start_line :], l:start_char)
 
   let l:text = s:ExtractText(a:new, l:start_line, l:start_char, l:end_line, l:end_char)
   let l:length = s:Length(a:old, l:start_line, l:start_char, l:end_line, l:end_char)
@@ -43,7 +43,7 @@ function! s:FirstDifference(old, new) abort
   let l:length = min([strlen(l:old_line), strlen(l:new_line)])
   let l:j = 0
   while l:j < l:length
-    if l:old_line[l:j:l:j] !=# l:new_line[l:j:l:j] | break | endif
+    if l:old_line[l:j : l:j] !=# l:new_line[l:j : l:j] | break | endif
     let l:j += 1
   endwhile
   return [l:i, l:j]
@@ -59,16 +59,16 @@ function! s:LastDifference(old, new, start_char) abort
   endwhile
   if l:i <= -1 * l:line_count
     let l:i = -1 * l:line_count
-    let l:old_line = a:old[l:i][a:start_char:]
-    let l:new_line = a:new[l:i][a:start_char:]
+    let l:old_line = a:old[l:i][a:start_char :]
+    let l:new_line = a:new[l:i][a:start_char :]
   else
     let l:old_line = a:old[l:i]
     let l:new_line = a:new[l:i]
   endif
   let l:length = min([strlen(l:old_line), strlen(l:new_line)])
   let l:j = -1
   while l:j >= -1 * l:length
-    if l:old_line[l:j:l:j] !=# l:new_line[l:j:l:j] | break | endif
+    if l:old_line[l:j : l:j] !=# l:new_line[l:j : l:j] | break | endif
     let l:j -= 1
   endwhile
   return [l:i, l:j]
@@ -77,12 +77,12 @@ endfunction
 function! s:ExtractText(lines, start_line, start_char, end_line, end_char) abort
   if a:start_line == len(a:lines) + a:end_line
     if a:end_line == 0 | return '' | endif
-    let l:result = a:lines[a:start_line][a:start_char:a:end_char]
+    let l:result = a:lines[a:start_line][a:start_char : a:end_char]
     " json_encode treats empty string computed this was as 'null'
     if strlen(l:result) == 0 | let l:result = '' | endif
     return l:result
   endif
-  let l:result = a:lines[a:start_line][a:start_char:]."\n"
+  let l:result = a:lines[a:start_line][a:start_char :]."\n"
   let l:adj_end_line = len(a:lines) + a:end_line
   for l:line in a:lines[a:start_line + 1:a:end_line - 1]
     let l:result .= l:line."\n"