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author | Fred Drake <fdrake@acm.org> | 2001-08-02 15:53:05 (GMT) |
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committer | Fred Drake <fdrake@acm.org> | 2001-08-02 15:53:05 (GMT) |
commit | 044bb4d22a20a172edc58dd7eed5f72428d2cc16 (patch) | |
tree | c619076b10cf8f4c56d135eb197751a715ffa6fd /Doc/ref | |
parent | 2b8d7bdd771b39a7bbddb53f911624c2ef5b0824 (diff) | |
download | cpython-044bb4d22a20a172edc58dd7eed5f72428d2cc16.zip cpython-044bb4d22a20a172edc58dd7eed5f72428d2cc16.tar.gz cpython-044bb4d22a20a172edc58dd7eed5f72428d2cc16.tar.bz2 |
Explain that __init__() methods do not get to return values.
Diffstat (limited to 'Doc/ref')
-rw-r--r-- | Doc/ref/ref3.tex | 17 |
1 files changed, 9 insertions, 8 deletions
diff --git a/Doc/ref/ref3.tex b/Doc/ref/ref3.tex index 9074a0b..97c03f8 100644 --- a/Doc/ref/ref3.tex +++ b/Doc/ref/ref3.tex @@ -892,14 +892,15 @@ extracting a slice may not make sense. (One example of this is the \subsection{Basic customization\label{customization}} -\begin{methoddesc}[object]{__init__}{self\optional{, args...}} -Called when the instance is created. The arguments are those passed -to the class constructor expression. If a base class has an -\method{__init__()} method the derived class's \method{__init__()} method must -explicitly call it to ensure proper initialization of the base class -part of the instance, e.g., \samp{BaseClass.__init__(\var{self}, -[\var{args}...])}. -\indexii{class}{constructor} +\begin{methoddesc}[object]{__init__}{self\optional{, \moreargs}} +Called\indexii{class}{constructor} when the instance is created. The +arguments are those passed to the class constructor expression. If a +base class has an \method{__init__()} method the derived class's +\method{__init__()} method must explicitly call it to ensure proper +initialization of the base class part of the instance; for example: +\samp{BaseClass.__init__(\var{self}, [\var{args}...])}. As a special +contraint on constructors, no value may be returned; doing so will +cause a \exception{TypeError} to be raised at runtime. \end{methoddesc} |