Starting with has_defaults
0.4.2, default values that are lambdas are no longer called with the current object as argument, but instance_exec
'd instead.
This means you can now use dagger lambdas like this:
has_defaults :full_name => -> { "#{first_name} #{last_name}" }
You can also use lambda
and proc
as long as you don't take parameters:
has_defaults :full_name => lambda { "#{first_name} #{last_name}" }
has_defaults :full_name => proc { "#{first_name} #{last_name}" }
You can no longer write this:
has_defaults :full_name => lambda { |person| "#{person.first_name} #{person.last_name}" }
Posted by Henning Koch to makandra dev (2015-05-08 15:17)