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bug #1462278: small fix in documentation of __op__ vs __rop__ methods

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Georg Brandl 2006-04-01 07:23:08 +00:00
parent 23fd3d49e9
commit e071b001ca
1 changed files with 9 additions and 8 deletions
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Doc/ref/ref3.tex
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@ -2057,14 +2057,15 @@ exception is raised. But see the following exception:
\item \item
Exception to the previous item: if the left operand is an instance of Exception to the previous item: if the left operand is an instance of
a built-in type or a new-style class, and the right operand is an a built-in type or a new-style class, and the right operand is an instance
instance of a proper subclass of that type or class, the right of a proper subclass of that type or class and overrides the base's
operand's \method{__rop__()} method is tried \emph{before} the left \method{__rop__()} method, the right operand's \method{__rop__()} method
operand's \method{__op__()} method. This is done so that a subclass can is tried \emph{before} the left operand's \method{__op__()} method.
completely override binary operators. Otherwise, the left operand's
__op__ method would always accept the right operand: when an instance This is done so that a subclass can completely override binary operators.
of a given class is expected, an instance of a subclass of that class Otherwise, the left operand's \method{__op__()} method would always
is always acceptable. accept the right operand: when an instance of a given class is expected,
an instance of a subclass of that class is always acceptable.
\item \item