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Methods
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_find_groups
_modify_leaves
_select_names
copy
features
group_names
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_find_groups
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_find_groups ( self, tag )
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_modify_leaves
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_modify_leaves ( self, func )
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_select_names
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_select_names ( self, names )
internal function. Do not use.
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copy
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copy ( self )
do a deep copy on this Expression tree
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features
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features ( self )
return a list of all features
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group_names
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group_names ( self )
the list of group names used by this Expression or its children
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