Ctrl+A, Ctrl+E
Many more basic Emacs keybindings work, actually! Including C-f, C-b, C-p and C-n (if you prefer them over arrow keys) as well as M-f and M-b to move by words, C-k, M-d and C-y for killing/yanking (but not M-w) and C-SPC, C-w, C-x C-x for region manipulation (tested in Bash and ZSH)
The Either monad (also known as Result) provides Go-like error handling, but automated. You only check manually for errors after the last call, the monad handles the process.
But this is just one example of a monad, there are many more.