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author | Fred Drake <fdrake@acm.org> | 2002-11-01 21:33:44 (GMT) |
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committer | Fred Drake <fdrake@acm.org> | 2002-11-01 21:33:44 (GMT) |
commit | 9482d2591a89ebd5f5c79fa22dffe8b9db8a45d9 (patch) | |
tree | 3aa2998f29cb34fe72c9bbc3f5a6dc54db49c6bf /Doc/lib/libfuncs.tex | |
parent | 57bc5fa60a25661237861b3d3c9941ca8f5dbfd7 (diff) | |
download | cpython-9482d2591a89ebd5f5c79fa22dffe8b9db8a45d9.zip cpython-9482d2591a89ebd5f5c79fa22dffe8b9db8a45d9.tar.gz cpython-9482d2591a89ebd5f5c79fa22dffe8b9db8a45d9.tar.bz2 |
Update example for the type() function to use the currently accepted
preference of using "is" instead of "==" to compare types, use
built-in names where available, and point to the isinstance()
function.
Closes SF bug #632196.
Diffstat (limited to 'Doc/lib/libfuncs.tex')
-rw-r--r-- | Doc/lib/libfuncs.tex | 15 |
1 files changed, 13 insertions, 2 deletions
diff --git a/Doc/lib/libfuncs.tex b/Doc/lib/libfuncs.tex index 6463382..f6b01d1 100644 --- a/Doc/lib/libfuncs.tex +++ b/Doc/lib/libfuncs.tex @@ -836,13 +836,24 @@ def my_import(name): Return the type of an \var{object}. The return value is a type\obindex{type} object. The standard module \module{types}\refstmodindex{types} defines names for all built-in - types. + types that don't already have built-in names. For instance: \begin{verbatim} >>> import types ->>> if type(x) == types.StringType: print "It's a string" +>>> x = 'abc' +>>> if type(x) is str: print "It's a string" +... +It's a string +>>> def f(): pass +... +>>> if type(f) is types.FunctionType: print "It's a function" +... +It's a function \end{verbatim} + + The \function{isinstance()} built-in function is recommended for + testing the type of an object. \end{funcdesc} \begin{funcdesc}{unichr}{i} |