Add `dupLNamed`
Description
Motivation: I have a use case for this function. Generally it seems useful as often as 'toFieldNamed' and other similar methods are.
Related issue(s)
✅ Checklist for your Merge Request
Related changes (conditional)
-
Tests (see short guidelines)
-
If I added new functionality, I added tests covering it. -
If I fixed a bug, I added a regression test to prevent the bug from silently reappearing again.
-
-
Documentation
Stylistic guide (mandatory)
-
My commits comply with the following policy. -
My code complies with the style guide.
Edited by Konstantin Ivanov