Class: Rulz::Rule

Inherits:
Object
  • Object
show all
Defined in:
lib/rulz/rule.rb

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(klass, proc) ⇒ Rule

Returns a new instance of Rule.



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# File 'lib/rulz/rule.rb', line 5

def initialize(klass, proc)
  @proc = proc
  klass.instance_exec self do |rule| 
    @rulz_rules ||= []
    @rulz_rules << rule
  end
end

Instance Attribute Details

#proc ⇒ Object

Returns the value of attribute proc.



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# File 'lib/rulz/rule.rb', line 3

def proc
  @proc
end

Class Method Details

.rules(klass) ⇒ Object 



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# File 'lib/rulz/rule.rb', line 17

def self.rules(klass)
  klass.instance_eval { @rulz_rules }
end

Instance Method Details

#apply!(receiver) ⇒ Object 



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# File 'lib/rulz/rule.rb', line 13

def apply!(receiver)
  Rulz::Evaluator::Rule.new(receiver, @proc).evaluate
end