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Boolean features are either enabled or disable for all users.

All on or all off. Think top level things like :stats, :search, :logging, etc. Also, an easy way to release a new feature, as once a feature is boolean enabled it is on for every situation.

Enabling a feature
user = User.first

Flipper.enabled?(:search) # false
Flipper.enabled?(:search, user) # false


Flipper.enabled?(:search) # true
Flipper.enabled?(:search, user) # true
Disabling a feature

Flipper.enabled?(:search) # false
Flipper.enabled?(:search, user) # false
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