Mirror
/
cpython
mirror of https://github.com/python/cpython
4
1
Fork 0
Code Issues Releases Wiki Activity

Minor wordsmithing on docstring

This commit is contained in:
Raymond Hettinger 2008-01-31 22:07:16 +00:00
parent 38db364076
commit 2df20a3e08
1 changed files with 7 additions and 8 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

15
Lib/rational.py
View File

@ -193,20 +193,20 @@ class Rational(RationalAbc):
Rational, that means that we define __add__ and __radd__ as:
def __add__(self, other):
# Both types have numerators/denominator attributes,
# so do the operation directly
if isinstance(other, (int, long, Rational)):
# Do the real operation.
return Rational(self.numerator * other.denominator +
other.numerator * self.denominator,
self.denominator * other.denominator)
# float and complex don't follow this protocol, and
# Rational knows about them, so special case them.
# float and complex don't have those operations, but we
# know about those types, so special case them.
elif isinstance(other, float):
return float(self) + other
elif isinstance(other, complex):
return complex(self) + other
else:
# Let the other type take over.
return NotImplemented
# Let the other type take over.
return NotImplemented
def __radd__(self, other):
# radd handles more types than add because there's
@ -219,8 +219,7 @@ class Rational(RationalAbc):
return float(other) + float(self)
elif isinstance(other, Complex):
return complex(other) + complex(self)
else:
return NotImplemented
return NotImplemented
There are 5 different cases for a mixed-type addition on