Confirm that :manage and :all also apply to cannot

CanCanCommunity · Jul 8, 2022 · 5cfd542 · 5cfd542
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diff --git a/docs/cannot.md b/docs/cannot.md
@@ -12,3 +12,11 @@ cannot :destroy, Project
 will allow the user to do **any** action but destroy the project.
 
 Of course, there's a `cannot?` method to check abilities that is a simple alias for `!can?`.
+
+## Remove all permissions
+
+`cannot` supports the special subject `:all`.
+
+```ruby
+cannot :manage, :all  # user cannot perform any action on any object
+```