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Removed < <= > >= from the API. Implemented as comparisons of the

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underlying dictionaries, there were no reasonable use cases (lexicographic
sorting of a list of sets is somewhat esoteric).  Frees the operators
for other uses (such as strict subset and superset comparisons).

Updated documentation and test suite accordingly.
This commit is contained in:
Raymond Hettinger 2002-08-24 07:33:06 +00:00
parent bf935fde15
commit e87ab3fefe
3 changed files with 5 additions and 23 deletions
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19
Lib/sets.py
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@ -102,16 +102,7 @@ class BaseSet(object):
"""
return self._data.iterkeys()
# Comparisons. Ordering is determined by the ordering of the
# underlying dicts (which is consistent though unpredictable).
def __lt__(self, other):
self._binary_sanity_check(other)
return self._data < other._data
def __le__(self, other):
self._binary_sanity_check(other)
return self._data <= other._data
# Equality comparisons using the underlying dicts
def __eq__(self, other):
self._binary_sanity_check(other)
@ -121,14 +112,6 @@ class BaseSet(object):
self._binary_sanity_check(other)
return self._data != other._data
def __gt__(self, other):
self._binary_sanity_check(other)
return self._data > other._data
def __ge__(self, other):
self._binary_sanity_check(other)
return self._data >= other._data
# Copying operations
def copy(self):