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217 datarepr: a tuple of (format, obj, ...), a function or an object that |
217 datarepr: a tuple of (format, obj, ...), a function or an object that |
218 provides a printable representation of the given data. |
218 provides a printable representation of the given data. |
219 """ |
219 """ |
220 self._ascending = None |
220 self._ascending = None |
221 self._istopo = istopo |
221 self._istopo = istopo |
222 if not isinstance(data, list): |
222 if isinstance(data, set): |
223 if isinstance(data, set): |
223 # converting set to list has a cost, do it lazily |
224 self._set = data |
224 self._set = data |
225 # set has no order we pick one for stability purpose |
225 # set has no order we pick one for stability purpose |
226 self._ascending = True |
226 self._ascending = True |
227 # converting set to list has a cost, do it lazily |
227 else: |
228 data = None |
228 if not isinstance(data, list): |
229 else: |
|
230 data = list(data) |
229 data = list(data) |
231 if data is not None: |
|
232 self._list = data |
230 self._list = data |
233 self._datarepr = datarepr |
231 self._datarepr = datarepr |
234 |
232 |
235 @util.propertycache |
233 @util.propertycache |
236 def _set(self): |
234 def _set(self): |