Top Level Namespace

Defined Under Namespace

Modules: Nullz Classes: NullObject

Constant Summary collapse

ON_NULL_OBJECT_CREATED = 
Proc.new { }
USE_NULL_OBJECT = 
false

Instance Method Summary collapse

Instance Method Details

#_(obj) ⇒ Object 



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# File 'lib/null_object.rb', line 6

def _(obj)
  obj || NullObject.new
end

#__(obj, on_null_object_created_proc = ON_NULL_OBJECT_CREATED) ⇒ Object 



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# File 'lib/null_object.rb', line 10

def __(obj, on_null_object_created_proc = ON_NULL_OBJECT_CREATED)
  return obj if obj

  on_null_object_created_proc.call

  NullObject.new
end

#safe(obj, on_null_object_created_proc = ON_NULL_OBJECT_CREATED) ⇒ Object 



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# File 'lib/null_object.rb', line 18

def safe(obj, on_null_object_created_proc = ON_NULL_OBJECT_CREATED)
  USE_NULL_OBJECT ? __(obj, on_null_object_created_proc) : obj
end