def _tgrep_node_label_use_action(_s, _l, tokens):
 assert (len(tokens) == 1)
 assert tokens[0].startswith(u'=')
 return tokens[0][1:]

def _tgrep_node_label_use_action ( _s , _l , tokens ) : assert ( len ( tokens ) == 1 ) assert tokens [ 0 ] . startswith ( u'=' ) return tokens [ 0 ] [ 1 : ]
returns the node label used to begin a tgrep_expr_labeled .