Class: Invariant

Inherits:
Object
  • Object
show all
Includes:
Singleton
Defined in:
lib/invariant.rb

Defined Under Namespace

Classes: AssertionError

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Attribute Details

#failure_handler ⇒ Object

Returns the value of attribute failure_handler.



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# File 'lib/invariant.rb', line 9

def failure_handler
  @failure_handler
end

Class Method Details

.disable_assertions ⇒ Object 



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# File 'lib/invariant.rb', line 15

def self.disable_assertions
  failure_handler { }
end

.enable_assertions ⇒ Object 



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# File 'lib/invariant.rb', line 11

def self.enable_assertions
  failure_handler { |msg| raise AssertionError.new(msg) }
end

.failure_handler(&block) ⇒ Object 



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# File 'lib/invariant.rb', line 19

def self.failure_handler(&block)
  instance.failure_handler = block
end