Allow fallback to default value when assigning nil #370
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:use_default_on_nil makes an attribute fallback to the :default value (if one is set) when attempting to set it to nil
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This is a revamp of the feature proposed in #292, though named differently. I tried to avoid confusion by making the name pretty explicit, but I'm open to suggestions if you feel there are better naming options.
When configuring
use_default_on_nil: true, an attribute which gets set tonilwill fallback to the:defaultvalue.The implementation is heavily based on the
:nullify_blankoption in #314.Let me know what you think. :)