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Update the filter() and list() descriptions to include information about

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the support for containers and iteration.
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Fred Drake 2001-05-02 20:19:19 +00:00
parent 93656e76f9
commit eacdec6b38
1 changed files with 14 additions and 12 deletions
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26
Doc/lib/libfuncs.tex
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@ -234,12 +234,13 @@ class instances are callable if they have a \method{__call__()} method.
\end{funcdesc} \end{funcdesc}
\begin{funcdesc}{filter}{function, list} \begin{funcdesc}{filter}{function, list}
Construct a list from those elements of \var{list} for which Construct a list from those elements of \var{list} for which
\var{function} returns true. If \var{list} is a string or a tuple, \var{function} returns true. \var{list} may be either a sequence, a
the result also has that type; otherwise it is always a list. If container which supports iteration, or an iterator, If \var{list}
\var{function} is \code{None}, the identity function is assumed, is a string or a tuple, the result also has that type; otherwise it
i.e.\ all elements of \var{list} that are false (zero or empty) are is always a list. If \var{function} is \code{None}, the identity
removed. function is assumed, i.e.\ all elements of \var{list} that are false
(zero or empty) are removed.
\end{funcdesc} \end{funcdesc}
\begin{funcdesc}{float}{x} \begin{funcdesc}{float}{x}
@ -378,12 +379,13 @@ raised.
\end{funcdesc} \end{funcdesc}
\begin{funcdesc}{list}{sequence} \begin{funcdesc}{list}{sequence}
Return a list whose items are the same and in the same order as Return a list whose items are the same and in the same order as
\var{sequence}'s items. If \var{sequence} is already a list, \var{sequence}'s items. \var{sequence} may be either a sequence, a
a copy is made and returned, similar to \code{\var{sequence}[:]}. container that supports iteration, or an iterator object. If
For instance, \code{list('abc')} returns \var{sequence} is already a list, a copy is made and returned,
returns \code{['a', 'b', 'c']} and \code{list( (1, 2, 3) )} returns similar to \code{\var{sequence}[:]}. For instance,
\code{[1, 2, 3]}. \code{list('abc')} returns \code{['a', 'b', 'c']} and \code{list(
(1, 2, 3) )} returns \code{[1, 2, 3]}.
\end{funcdesc} \end{funcdesc}
\begin{funcdesc}{locals}{} \begin{funcdesc}{locals}{}