formtastic_tristate_radio 0.2.1
Have 3-state radiobuttons instead of a 2-state checkbox for your Boolean columns which can store NULL. Does not change controls, you need to turn it on via `as: :tristate_radio` option.
Gemfile:
=
install:
=
Runtime Dependencies (2):
formtastic
>= 3, < 5
rails
>= 4, < 7
Development Dependencies (1):
yard
>= 0.9, < 1