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Expression --+ | 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.) |
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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Trees | Indices | Help |
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Generated by Epydoc 3.0.1 on Mon Sep 15 09:25:03 2008 | http://epydoc.sourceforge.net |