patch 8.2.2799: Vim9: type casts don't fully work at the script level Commit: https://github.com/vim/vim/commit/459fbdbf9216bc7b4721fc192e08b35039036caa Author: Bram Moolenaar <Bram@vim.org> Date: Wed Apr 21 17:57:26 2021 +0200 patch 8.2.2799: Vim9: type casts don't fully work at the script level Problem: Vim9: type casts don't fully work at the script level. Solution: Implement the missing piece.