Merge pull request #18502 from drybalka/fix-languagetree-contains-description

treesitter: small improvements of languagetree.lua

2 files changed, 1 insertions, 9 deletions

diff --git a/runtime/doc/treesitter.txt b/runtime/doc/treesitter.txt
index bc264bd971..339ae0c2ed 100644
--- a/runtime/doc/treesitter.txt
+++ b/runtime/doc/treesitter.txt
@@ -616,8 +616,6 @@ LanguageTree:children({self})                        *LanguageTree:children()*
 LanguageTree:contains({self}, {range})               *LanguageTree:contains()*
                 Determines whether {range} is contained in this language tree
 
-                This goes down the tree to recursively check children.
-
                 Parameters: ~
                     {range}  A range, that is a `{ start_line, start_col,
                              end_line, end_col }` table.
diff --git a/runtime/lua/vim/treesitter/languagetree.lua b/runtime/lua/vim/treesitter/languagetree.lua
index 2157112d2f..57d8c5fd21 100644
--- a/runtime/lua/vim/treesitter/languagetree.lua
+++ b/runtime/lua/vim/treesitter/languagetree.lua
@@ -519,17 +519,11 @@ local function tree_contains(tree, range)
   local start_fits = start_row < range[1] or (start_row == range[1] and start_col <= range[2])
   local end_fits = end_row > range[3] or (end_row == range[3] and end_col >= range[4])
 
-  if start_fits and end_fits then
-    return true
-  end
-
-  return false
+  return start_fits and end_fits
 end
 
 --- Determines whether {range} is contained in this language tree
 ---
---- This goes down the tree to recursively check children.
----
 ---@param range A range, that is a `{ start_line, start_col, end_line, end_col }` table.
 function LanguageTree:contains(range)
   for _, tree in pairs(self._trees) do