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Doc/libtypes2.tex

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+\section{Built-in module \sectcode{types}}
+\stmodindex{types}
+
+This module defines names for all object types that are used by the
+standard Python interpreter (but not for the types defined by various
+extension modules).  It is safe to use \code{from types import *} ---
+the module does not export any other names besides the ones listed
+here.  New names exported by future versions of this module will
+all end in \code{Type}.
+
+Typical use is for functions that do different things depending on
+their argument types, like the following:
+
+\begin{verbatim}
+from types import *
+def delete(list, item):
+    if type(item) is IntType:
+       del list[item]
+    else:
+       list.remove(item)
+\end{verbatim}
+
+The module defines the following names:
+
+\begin{datadesc}{NoneType}
+The type of \code{None}.
+\end{datadesc}
+
+\begin{datadesc}{TypeType}
+The type of type objects (such as returned by \code{type()}).
+\end{datadesc}
+
+\begin{datadesc}{IntType}
+The type of integers (e.g. \code{1}).
+\end{datadesc}
+
+\begin{datadesc}{LongType}
+The type of long integers (e.g. \code{1L}).
+\end{datadesc}
+
+\begin{datadesc}{FloatType}
+The type of floating point numbers (e.g. \code{1.0}).
+\end{datadesc}
+
+\begin{datadesc}{StringType}
+The type of character strings (e.g. \code{'Spam'}).
+\end{datadesc}
+
+\begin{datadesc}{TupleType}
+The type of tuples (e.g. \code{(1, 2, 3, 'Spam')}).
+\end{datadesc}
+
+\begin{datadesc}{ListType}
+The type of lists (e.g. \code{[0, 1, 2, 3]}).
+\end{datadesc}
+
+\begin{datadesc}{DictType}
+The type of dictionaries (e.g. \code{\{'Bacon': 1, 'Ham': 0\}}).
+\end{datadesc}
+
+\begin{datadesc}{DictionaryType}
+An alternative name for \code{DictType}.
+\end{datadesc}
+
+\begin{datadesc}{FunctionType}
+The type of user-defined functions and lambdas.
+\end{datadesc}
+
+\begin{datadesc}{LambdaType}
+	An alternative name for \code{FunctionType}.
+\end{datadesc}
+
+\begin{datadesc}{CodeType}
+The type for code objects such as returned by \code{compile()}.
+\end{datadesc}
+
+\begin{datadesc}{ClassType}
+The type of user-defined classes.
+\end{datadesc}
+
+\begin{datadesc}{InstanceType}
+The type of instances of user-defined classes.
+\end{datadesc}
+
+\begin{datadesc}{MethodType}
+The type of methods of user-defined class instances.
+\end{datadesc}
+
+\begin{datadesc}{UnboundMethodType}
+An alternative name for \code{MethodType}.
+\end{datadesc}
+
+\begin{datadesc}{BuiltinFunctionType}
+The type of built-in functions like \code{len} or \code{sys.exit}.
+\end{datadesc}
+
+\begin{datadesc}{BuiltinMethodType}
+An alternative name for \code{BuiltinFunction}.
+\end{datadesc}
+
+\begin{datadesc}{ModuleType}
+The type of modules.
+\end{datadesc}
+
+\begin{datadesc}{FileType}
+The type of open file objects such as \code{sys.stdout}.
+\end{datadesc}
+
+\begin{datadesc}{XRangeType}
+The type of range objects returned by \code{xrange()}.
+\end{datadesc}
+
+\begin{datadesc}{TracebackType}
+The type of traceback objects such as found in \code{sys.exc_traceback}.
+\end{datadesc}
+
+\begin{datadesc}{FrameType}
+The type of frame objects such as found in \code{tb.tb_frame} if
+\code{tb} is a traceback object.
+\end{datadesc}