Bio.EUtils.Datatypes.Not

Package Bio :: Package EUtils :: Module Datatypes :: Class Not

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Class Not

Expression --+    
             |    
      BinaryOp --+
                 |
                Not

the set of the left child without elements from the right child

This is used for something like "poliovirus NOT polio"

Method Summary
	`__str__(self)`
Inherited from BinaryOp
	`__init__(self, left, right)`
	`__iter__(self)` Traverse the tree in postfix order
Inherited from Expression
	`__and__(self, other)` intersection of two expressions
	`__or__(self, other)` union of two expressions

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