[3.13] Doc: Improve description of GET_LEN opcode (GH-114583) (#125102)

miss-islington · Eclips4 · web-flow · commit 0a63c6603590 · 2024-10-08T12:30:52.000Z
Doc: Improve description of ``GET_LEN`` opcode (GH-114583) (cherry picked from commit e8773e5) Co-authored-by: Kirill Podoprigora <kirill.bast9@mail.ru>
diff --git a/Doc/library/dis.rst b/Doc/library/dis.rst
@@ -957,7 +957,8 @@ iterations of the loop.
 
 .. opcode:: GET_LEN
 
-   Perform ``STACK.append(len(STACK[-1]))``.
+   Perform ``STACK.append(len(STACK[-1]))``. Used in :keyword:`match` statements where
+   comparison with structure of pattern is needed.
 
    .. versionadded:: 3.10
 
