docs: def attrsetter( attribute, *static_value ):
      """
          Attrsetter function.
  
          The examples below show the 2 supported modes in conjunction with itertools.imap().
  
              import itertools
              import itermate.operator
  
              >>> class Foo(object):
              >>>     bar = 0
              >>>     def __repr__(self):
              >>>         return unicode(self.bar)
  
              >>> gen_foos = itertools.imap( attrsetter("bar", "spam"), (Foo() for i in range(3)) )
              >>> list(gen_foos)
              [spam, spam, spam]
  
              >>> gen_foos = itertools.imap( attrsetter("bar"),         (Foo() for i in range(3)), ["bacon", "egg", "sausage"] )
              >>> list(gen_foos)
              [bacon, egg, sausage]
      """
  
      if static_value:
          def attrsetter_func(obj):
              setattr( obj, attribute, static_value[0] )
              return obj
      else:
          def attrsetter_func(inst, value):
              setattr( inst, attribute, value )
              return inst
      return attrsetter_func