#
# This function deletes a character from the commandline if it is
# non-empty, and exits the shell otherwise. Implementing this
# functionality has been a longstanding request from various
# fish-users.
#

function delete-or-exit

	set -l cmd (commandline)

	switch "$cmd"

		case ''
		exit 0

		case '*'
		commandline -f delete-char

	end

end