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Expression --+
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NullOp
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Inherited from Inherited from |
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()
Doesn't match anything. This is a null operation. It's
useful if you want a valid initial object from which to build,
as in:
exp = NullOp()
for c in string.split(line):
exp = exp + Str(c)
(That's contrived -- see Time.py for a real use.)
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internal function used by 'select_names'. Don't call this function. Will likely be removed in future versions.
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do a deep copy on this Expression tree
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the corresponding pattern string
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returns an Expression to match this Expression then the other one
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returns an Expression matching this Expression or (if that fails) the other one
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| Generated by Epydoc 3.0.1 on Sun May 3 17:14:24 2009 | http://epydoc.sourceforge.net |