[Python-checkins] r43522 - python/branches/release24-maint/Doc/ref/ref3.tex (original) (raw)

georg.brandl python-checkins at python.org
Sat Apr 1 09:23:12 CEST 2006

Author: georg.brandl Date: Sat Apr 1 09:23:12 2006 New Revision: 43522

Modified: python/branches/release24-maint/Doc/ref/ref3.tex Log: bug #1462278: small fix in documentation of op vs rop methods (backport from rev. 43521)

Modified: python/branches/release24-maint/Doc/ref/ref3.tex

--- python/branches/release24-maint/Doc/ref/ref3.tex (original) +++ python/branches/release24-maint/Doc/ref/ref3.tex Sat Apr 1 09:23:12 2006 @@ -2005,14 +2005,15 @@ \item 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 -instance of a proper subclass of that type or class, the right -operand's \method{rop()} method is tried \emph{before} the left -operand's \method{op()} method. This is done so that a subclass can -completely override binary operators. Otherwise, the left operand's -op method would always accept the right operand: when an instance -of a given class is expected, an instance of a subclass of that class -is always acceptable. +a built-in type or a new-style class, and the right operand is an instance +of a proper subclass of that type or class and overrides the base's +\method{rop()} method, the right operand's \method{rop()} method +is tried \emph{before} the left operand's \method{op()} method. + +This is done so that a subclass can completely override binary operators. +Otherwise, the left operand's \method{op()} method would always +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

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